61331656330824 has 64 divisors (see below), whose sum is σ = 167268979506240. Its totient is φ = 18585258639360.

The previous prime is 61331656330783. The next prime is 61331656330859. The reversal of 61331656330824 is 42803365613316.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68909832 + ... + 69794184.

It is an arithmetic number, because the mean of its divisors is an integer number (2613577804785).

Almost surely, 2^{61331656330824} is an apocalyptic number.

It is an amenable number.

61331656330824 is an abundant number, since it is smaller than the sum of its proper divisors (105937323175416).

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

61331656330824 is a wasteful number, since it uses less digits than its factorization.

61331656330824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147070 (or 1147066 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 61331656330824 in words is "sixty-one trillion, three hundred thirty-one billion, six hundred fifty-six million, three hundred thirty thousand, eight hundred twenty-four".