91601600 has 42 divisors (see below), whose sum is σ = 225401124. Its totient is φ = 36640000.

The previous prime is 91601591. The next prime is 91601611. The reversal of 91601600 is 610619.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27026 + ... + 30225.

Almost surely, 2^91601600 is an apocalyptic number.

It is an amenable number.

91601600 is an abundant number, since it is smaller than the sum of its proper divisors (133799524).

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

91601600 is a wasteful number, since it uses less digits than its factorization.

91601600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57273 (or 57258 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 91601600 is about 9570.8724785152. The cubic root of 91601600 is about 450.7831629711.

The spelling of 91601600 in words is "ninety-one million, six hundred one thousand, six hundred".