66100932 has 36 divisors (see below), whose sum is σ = 168577500. Its totient is φ = 21837312.

The previous prime is 66100921. The next prime is 66100939. The reversal of 66100932 is 23900166.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 50466816 = 3954^2 + 7104^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×66100932² = 8738666422537248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66100896 and 66100905.

It is not an unprimeable number, because it can be changed into a prime (66100939) 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, 4057 + ... + 12192.

Almost surely, 2^66100932 is an apocalyptic number.

It is an amenable number.

66100932 is an abundant number, since it is smaller than the sum of its proper divisors (102476568).

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

66100932 is a wasteful number, since it uses less digits than its factorization.

66100932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16372 (or 16367 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 66100932 is about 8130.2479666982. The cubic root of 66100932 is about 404.3299024102.

The spelling of 66100932 in words is "sixty-six million, one hundred thousand, nine hundred thirty-two".