91513560696 has 64 divisors (see below), whose sum is σ = 236834841600. Its totient is φ = 29432500608.

The previous prime is 91513560689. The next prime is 91513560709. The reversal of 91513560696 is 69606531519.

It is a happy number.

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, 990741 + ... + 1079163.

It is an arithmetic number, because the mean of its divisors is an integer number (3700544400).

Almost surely, 2^91513560696 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 91513560696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118417420800).

91513560696 is an abundant number, since it is smaller than the sum of its proper divisors (145321280904).

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

91513560696 is a wasteful number, since it uses less digits than its factorization.

91513560696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89948 (or 89944 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 51.

The spelling of 91513560696 in words is "ninety-one billion, five hundred thirteen million, five hundred sixty thousand, six hundred ninety-six".