91910495006 has 32 divisors (see below), whose sum is σ = 163773878400. Its totient is φ = 38213894880.

The previous prime is 91910494997. The next prime is 91910495029. The reversal of 91910495006 is 60059401919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3778940 + ... + 3803183.

It is an arithmetic number, because the mean of its divisors is an integer number (5117933700).

Almost surely, 2^91910495006 is an apocalyptic number.

91910495006 is a deficient number, since it is larger than the sum of its proper divisors (71863383394).

91910495006 is a wasteful number, since it uses less digits than its factorization.

91910495006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582184.

The product of its (nonzero) digits is 87480, while the sum is 44.

The spelling of 91910495006 in words is "ninety-one billion, nine hundred ten million, four hundred ninety-five thousand, six".