91934611672 has 16 divisors (see below), whose sum is σ = 172382958000. Its totient is φ = 45965822880.

The previous prime is 91934611591. The next prime is 91934611673. The reversal of 91934611672 is 27611643919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91934611673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104829 + ... + 441427.

It is an arithmetic number, because the mean of its divisors is an integer number (10773934875).

Almost surely, 2^91934611672 is an apocalyptic number.

It is an amenable number.

91934611672 is a deficient number, since it is larger than the sum of its proper divisors (80448346328).

91934611672 is a wasteful number, since it uses less digits than its factorization.

91934611672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370746 (or 370742 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The spelling of 91934611672 in words is "ninety-one billion, nine hundred thirty-four million, six hundred eleven thousand, six hundred seventy-two".