91016435888 has 40 divisors (see below), whose sum is σ = 201652188672. Its totient is φ = 38984632128.

The previous prime is 91016435863. The next prime is 91016435899. The reversal of 91016435888 is 88853461019.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36920 + ... + 428247.

Almost surely, 2^91016435888 is an apocalyptic number.

It is an amenable number.

91016435888 is an abundant number, since it is smaller than the sum of its proper divisors (110635752784).

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

91016435888 is a wasteful number, since it uses less digits than its factorization.

91016435888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466929 (or 466923 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 91016435888 in words is "ninety-one billion, sixteen million, four hundred thirty-five thousand, eight hundred eighty-eight".