91116673925 has 12 divisors (see below), whose sum is σ = 112989464640. Its totient is φ = 72890249520.

The previous prime is 91116673913. The next prime is 91116673943. The reversal of 91116673925 is 52937661119.

It is not a de Polignac number, because 91116673925 - 2⁶ = 91116673861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663764 + ... + 789186.

It is an arithmetic number, because the mean of its divisors is an integer number (9415788720).

Almost surely, 2^91116673925 is an apocalyptic number.

It is an amenable number.

91116673925 is a deficient number, since it is larger than the sum of its proper divisors (21872790715).

91116673925 is a wasteful number, since it uses less digits than its factorization.

91116673925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154492 (or 154487 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The spelling of 91116673925 in words is "ninety-one billion, one hundred sixteen million, six hundred seventy-three thousand, nine hundred twenty-five".