61630524156 has 96 divisors (see below), whose sum is σ = 151084200960. Its totient is φ = 19532851200.

The previous prime is 61630524139. The next prime is 61630524169. The reversal of 61630524156 is 65142503616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5567355 + ... + 5578413.

It is an arithmetic number, because the mean of its divisors is an integer number (1573793760).

Almost surely, 2^61630524156 is an apocalyptic number.

It is an amenable number.

61630524156 is an abundant number, since it is smaller than the sum of its proper divisors (89453676804).

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

61630524156 is a wasteful number, since it uses less digits than its factorization.

61630524156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395 (or 11393 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 61630524156 in words is "sixty-one billion, six hundred thirty million, five hundred twenty-four thousand, one hundred fifty-six".