61567292032 has 32 divisors (see below), whose sum is σ = 127986360480. Its totient is φ = 29445225216.

The previous prime is 61567292011. The next prime is 61567292041. The reversal of 61567292032 is 23029276516.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 61567292032.

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, 10453458 + ... + 10459345.

It is an arithmetic number, because the mean of its divisors is an integer number (3999573765).

Almost surely, 2^61567292032 is an apocalyptic number.

It is an amenable number.

61567292032 is an abundant number, since it is smaller than the sum of its proper divisors (66419068448).

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

61567292032 is a wasteful number, since it uses less digits than its factorization.

61567292032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20912840 (or 20912828 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 61567292032 in words is "sixty-one billion, five hundred sixty-seven million, two hundred ninety-two thousand, thirty-two".