61516625220116 has 24 divisors (see below), whose sum is σ = 124349114082816. Its totient is φ = 26317272821120.

The previous prime is 61516625220047. The next prime is 61516625220203. The reversal of 61516625220116 is 61102252661516.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 41120738036 + ... + 41120739531.

It is an arithmetic number, because the mean of its divisors is an integer number (5181213086784).

Almost surely, 2^{61516625220116} is an apocalyptic number.

It is an amenable number.

61516625220116 is an abundant number, since it is smaller than the sum of its proper divisors (62832488862700).

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

61516625220116 is a wasteful number, since it uses less digits than its factorization.

61516625220116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82241477599 (or 82241477597 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 61516625220116 in words is "sixty-one trillion, five hundred sixteen billion, six hundred twenty-five million, two hundred twenty thousand, one hundred sixteen".