66112300 has 36 divisors (see below), whose sum is σ = 144140080. Its totient is φ = 26320320.

The previous prime is 66112297. The next prime is 66112307. The reversal of 66112300 is 321166.

It is a super-2 number, since 2×66112300² = 8741672422580000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66112307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21457 + ... + 24343.

Almost surely, 2^66112300 is an apocalyptic number.

It is an amenable number.

66112300 is an abundant number, since it is smaller than the sum of its proper divisors (78027780).

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

66112300 is a wasteful number, since it uses less digits than its factorization.

66112300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 66112300 is about 8130.9470543105. The cubic root of 66112300 is about 404.3530798890.

Adding to 66112300 its reverse (321166), we get a palindrome (66433466).

It can be divided in two parts, 6611 and 2300, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 66112300 in words is "sixty-six million, one hundred twelve thousand, three hundred".