91261034076 has 24 divisors (see below), whose sum is σ = 212953288464. Its totient is φ = 30418791040.

The previous prime is 91261034017. The next prime is 91261034083. The reversal of 91261034076 is 67043016219.

It is a congruent number.

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, 64306 + ... + 432038.

It is an arithmetic number, because the mean of its divisors is an integer number (8873053686).

Almost surely, 2^91261034076 is an apocalyptic number.

It is an amenable number.

91261034076 is an abundant number, since it is smaller than the sum of its proper divisors (121692254388).

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

91261034076 is a wasteful number, since it uses less digits than its factorization.

91261034076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388421 (or 388419 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 91261034076 in words is "ninety-one billion, two hundred sixty-one million, thirty-four thousand, seventy-six".