61090418856 has 32 divisors (see below), whose sum is σ = 156451075200. Its totient is φ = 19866802560.

The previous prime is 61090418827. The next prime is 61090418861. The reversal of 61090418856 is 65881409016.

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, 31040896 + ... + 31042863.

It is an arithmetic number, because the mean of its divisors is an integer number (4889096100).

Almost surely, 2^61090418856 is an apocalyptic number.

It is an amenable number.

61090418856 is an abundant number, since it is smaller than the sum of its proper divisors (95360656344).

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

61090418856 is a wasteful number, since it uses less digits than its factorization.

61090418856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62083809 (or 62083805 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 61090418856 in words is "sixty-one billion, ninety million, four hundred eighteen thousand, eight hundred fifty-six".