113166305604 has 135 divisors (see below), whose sum is σ = 325369995951. Its totient is φ = 34272635760.

The previous prime is 113166305587. The next prime is 113166305621. The reversal of 113166305604 is 406503661311.

The square root of 113166305604 is 336402.

It is a perfect power (a square), and thus also a powerful number.

113166305604 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 66 + 30 + 560 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (113166305587) and next prime (113166305621).

It is a super-2 number, since 2×113166305604² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 66606747 + ... + 66608445.

Almost surely, 2^113166305604 is an apocalyptic number.

113166305604 is the 336402-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113166305604

113166305604 is an abundant number, since it is smaller than the sum of its proper divisors (212203690347).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113166305604 is an equidigital number, since it uses as much as digits as its factorization.

113166305604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Multiplying 113166305604 by its sum of digits (36), we get a square (4073987001744 = 2018412²).

113166305604 divided by its sum of digits (36) gives a square (3143508489 = 56067²).

Adding to 113166305604 its reverse (406503661311), we get a palindrome (519669966915).

The spelling of 113166305604 in words is "one hundred thirteen billion, one hundred sixty-six million, three hundred five thousand, six hundred four".