61560334368 has 120 divisors (see below), whose sum is σ = 194974050348. Its totient is φ = 18941630976.

The previous prime is 61560334331. The next prime is 61560334421. The reversal of 61560334368 is 86343306516.

61560334368 is a `hidden beast` number, since 6 + 1 + 5 + 603 + 3 + 4 + 36 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61113772944 + 446561424 = 247212^2 + 21132^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 879771 + ... + 947162.

Almost surely, 2^61560334368 is an apocalyptic number.

It is an amenable number.

61560334368 is an abundant number, since it is smaller than the sum of its proper divisors (133413715980).

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

61560334368 is a wasteful number, since it uses less digits than its factorization.

61560334368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826968 (or 1826951 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 61560334368 in words is "sixty-one billion, five hundred sixty million, three hundred thirty-four thousand, three hundred sixty-eight".