91676694464 has 28 divisors (see below), whose sum is σ = 182701746864. Its totient is φ = 45641608704.

The previous prime is 91676694409. The next prime is 91676694503. The reversal of 91676694464 is 46449667619.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 91676694397 and 91676694406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059012 + ... + 3088835.

It is an arithmetic number, because the mean of its divisors is an integer number (6525062388).

Almost surely, 2^91676694464 is an apocalyptic number.

It is an amenable number.

91676694464 is a deficient number, since it is larger than the sum of its proper divisors (91025052400).

91676694464 is a wasteful number, since it uses less digits than its factorization.

91676694464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148092 (or 6148082 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 62.

The spelling of 91676694464 in words is "ninety-one billion, six hundred seventy-six million, six hundred ninety-four thousand, four hundred sixty-four".