66570330032 has 20 divisors (see below), whose sum is σ = 129007973616. Its totient is φ = 33277949760.

The previous prime is 66570330023. The next prime is 66570330083. The reversal of 66570330032 is 23003307566.

It is a super-2 number, since 2×66570330032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66570329974 and 66570330001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374444 + ... + 522827.

Almost surely, 2^66570330032 is an apocalyptic number.

It is an amenable number.

66570330032 is a deficient number, since it is larger than the sum of its proper divisors (62437643584).

66570330032 is a wasteful number, since it uses less digits than its factorization.

66570330032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901916 (or 901910 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 35.

Adding to 66570330032 its reverse (23003307566), we get a palindrome (89573637598).

The spelling of 66570330032 in words is "sixty-six billion, five hundred seventy million, three hundred thirty thousand, thirty-two".