91014466560 has 176 divisors, whose sum is σ = 303761961216. Its totient is φ = 23215194112.

The previous prime is 91014466531. The next prime is 91014466573. The reversal of 91014466560 is 6566441019.

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, 224467 + ... + 482093.

Almost surely, 2^91014466560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91014466560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151880980608).

91014466560 is an abundant number, since it is smaller than the sum of its proper divisors (212747494656).

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

91014466560 is a wasteful number, since it uses less digits than its factorization.

91014466560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257678 (or 257660 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 91014466560 in words is "ninety-one billion, fourteen million, four hundred sixty-six thousand, five hundred sixty".