1166164500 has 96 divisors (see below), whose sum is σ = 3453690240. Its totient is φ = 305683200.

The previous prime is 1166164499. The next prime is 1166164553. The reversal of 1166164500 is 54616611.

It is a super-3 number, since 3×1166164500³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81912 + ... + 95088.

It is an arithmetic number, because the mean of its divisors is an integer number (35975940).

Almost surely, 2^1166164500 is an apocalyptic number.

1166164500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166164500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726845120).

1166164500 is an abundant number, since it is smaller than the sum of its proper divisors (2287525740).

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

1166164500 is a wasteful number, since it uses less digits than its factorization.

1166164500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258 (or 13246 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1166164500 is about 34149.1507947123. The cubic root of 1166164500 is about 1052.5755367313.

It can be divided in two parts, 116 and 6164500, that added together give a palindrome (6164616).

The spelling of 1166164500 in words is "one billion, one hundred sixty-six million, one hundred sixty-four thousand, five hundred".