61613662904592 has 40 divisors (see below), whose sum is σ = 159202808109216. Its totient is φ = 20533477449216.

The previous prime is 61613662904531. The next prime is 61613662904611. The reversal of 61613662904592 is 29540926631616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137592438 + ... + 138039509.

Almost surely, 2^{61613662904592} is an apocalyptic number.

It is an amenable number.

61613662904592 is an abundant number, since it is smaller than the sum of its proper divisors (97589145204624).

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

61613662904592 is a wasteful number, since it uses less digits than its factorization.

61613662904592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275636615 (or 275636609 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 60.

The spelling of 61613662904592 in words is "sixty-one trillion, six hundred thirteen billion, six hundred sixty-two million, nine hundred four thousand, five hundred ninety-two".