66365232 has 20 divisors (see below), whose sum is σ = 171443640. Its totient is φ = 22121728.

The previous prime is 66365231. The next prime is 66365237. The reversal of 66365232 is 23256366.

It is a junction number, because it is equal to n+sod(n) for n = 66365193 and 66365202.

It is not an unprimeable number, because it can be changed into a prime (66365231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691257 + ... + 691352.

It is an arithmetic number, because the mean of its divisors is an integer number (8572182).

Almost surely, 2^66365232 is an apocalyptic number.

It is an amenable number.

66365232 is an abundant number, since it is smaller than the sum of its proper divisors (105078408).

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

66365232 is a wasteful number, since it uses less digits than its factorization.

66365232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382620 (or 1382614 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 66365232 is about 8146.4858681520. The cubic root of 66365232 is about 404.8680807967.

The spelling of 66365232 in words is "sixty-six million, three hundred sixty-five thousand, two hundred thirty-two".