61560560670 has 64 divisors (see below), whose sum is σ = 168871550976. Its totient is φ = 14069341440.

The previous prime is 61560560657. The next prime is 61560560681. The reversal of 61560560670 is 7606506516.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3525802 + ... + 3543218.

It is an arithmetic number, because the mean of its divisors is an integer number (2638617984).

Almost surely, 2^61560560670 is an apocalyptic number.

61560560670 is an abundant number, since it is smaller than the sum of its proper divisors (107310990306).

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

61560560670 is a wasteful number, since it uses less digits than its factorization.

61560560670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34265.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 61560560670 in words is "sixty-one billion, five hundred sixty million, five hundred sixty thousand, six hundred seventy".