61516610331116 has 12 divisors (see below), whose sum is σ = 107700935343288. Its totient is φ = 30744914518752.

The previous prime is 61516610331089. The next prime is 61516610331133. The reversal of 61516610331116 is 61113301661516.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3347651366 + ... + 3347669741.

It is an arithmetic number, because the mean of its divisors is an integer number (8975077945274).

Almost surely, 2^{61516610331116} is an apocalyptic number.

It is an amenable number.

61516610331116 is a deficient number, since it is larger than the sum of its proper divisors (46184325012172).

61516610331116 is a wasteful number, since it uses less digits than its factorization.

61516610331116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695323408 (or 6695323406 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 61516610331116 in words is "sixty-one trillion, five hundred sixteen billion, six hundred ten million, three hundred thirty-one thousand, one hundred sixteen".