61064457732 has 72 divisors (see below), whose sum is σ = 162523320960. Its totient is φ = 19278544320.

The previous prime is 61064457679. The next prime is 61064457737. The reversal of 61064457732 is 23775446016.

61064457732 is a `hidden beast` number, since 6 + 1 + 0 + 6 + 44 + 577 + 32 = 666.

It is not an unprimeable number, because it can be changed into a prime (61064457737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3371982 + ... + 3390042.

Almost surely, 2^61064457732 is an apocalyptic number.

It is an amenable number.

61064457732 is an abundant number, since it is smaller than the sum of its proper divisors (101458863228).

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

61064457732 is a wasteful number, since it uses less digits than its factorization.

61064457732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23033 (or 23028 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 61064457732 in words is "sixty-one billion, sixty-four million, four hundred fifty-seven thousand, seven hundred thirty-two".