91050916194 has 48 divisors (see below), whose sum is σ = 227566542528. Its totient is φ = 25771417056.

The previous prime is 91050916171. The next prime is 91050916207. The reversal of 91050916194 is 49161905019.

It is a super-2 number, since 2×91050916194² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3363277 + ... + 3390240.

It is an arithmetic number, because the mean of its divisors is an integer number (4740969636).

Almost surely, 2^91050916194 is an apocalyptic number.

91050916194 is an abundant number, since it is smaller than the sum of its proper divisors (136515626334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91050916194 is a wasteful number, since it uses less digits than its factorization.

91050916194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6753639 (or 6753636 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 91050916194 in words is "ninety-one billion, fifty million, nine hundred sixteen thousand, one hundred ninety-four".