91266358513272 has 64 divisors (see below), whose sum is σ = 233029991577600. Its totient is φ = 29773626253440.

The previous prime is 91266358513261. The next prime is 91266358513331. The reversal of 91266358513272 is 27231585366219.

91266358513272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 26234497 + ... + 29509007.

It is an arithmetic number, because the mean of its divisors is an integer number (3641093618400).

Almost surely, 2^{91266358513272} is an apocalyptic number.

It is an amenable number.

91266358513272 is an abundant number, since it is smaller than the sum of its proper divisors (141763633064328).

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

91266358513272 is a wasteful number, since it uses less digits than its factorization.

91266358513272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299276 (or 3299272 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 60.

The spelling of 91266358513272 in words is "ninety-one trillion, two hundred sixty-six billion, three hundred fifty-eight million, five hundred thirteen thousand, two hundred seventy-two".