66365079352 has 64 divisors (see below), whose sum is σ = 149754497760. Its totient is φ = 27166310400.

The previous prime is 66365079337. The next prime is 66365079367. The reversal of 66365079352 is 25397056366.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66365079337) and next prime (66365079367).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 66365079352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660553 + ... + 754360.

Almost surely, 2^66365079352 is an apocalyptic number.

It is an amenable number.

66365079352 is an abundant number, since it is smaller than the sum of its proper divisors (83389418408).

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

66365079352 is a wasteful number, since it uses less digits than its factorization.

66365079352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414984 (or 1414980 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 52.

The spelling of 66365079352 in words is "sixty-six billion, three hundred sixty-five million, seventy-nine thousand, three hundred fifty-two".