61672650264 has 40 divisors (see below), whose sum is σ = 172740526860. Its totient is φ = 20557549872.

The previous prime is 61672650253. The next prime is 61672650307. The reversal of 61672650264 is 46205627616.

61672650264 is a `hidden beast` number, since 6 + 1 + 67 + 26 + 502 + 64 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 47586274 + ... + 47587569.

Almost surely, 2^61672650264 is an apocalyptic number.

It is an amenable number.

61672650264 is an abundant number, since it is smaller than the sum of its proper divisors (111067876596).

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

61672650264 is a wasteful number, since it uses less digits than its factorization.

61672650264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95173861 (or 95173848 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 61672650264 in words is "sixty-one billion, six hundred seventy-two million, six hundred fifty thousand, two hundred sixty-four".