91162254842 has 16 divisors (see below), whose sum is σ = 137666578752. Its totient is φ = 45273472800.

The previous prime is 91162254797. The next prime is 91162254851. The reversal of 91162254842 is 24845226119.

It is a junction number, because it is equal to n+sod(n) for n = 91162254793 and 91162254802.

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, 3272798 + ... + 3300534.

It is an arithmetic number, because the mean of its divisors is an integer number (8604161172).

Almost surely, 2^91162254842 is an apocalyptic number.

91162254842 is a deficient number, since it is larger than the sum of its proper divisors (46504323910).

91162254842 is a wasteful number, since it uses less digits than its factorization.

91162254842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38773.

The product of its digits is 276480, while the sum is 44.

The spelling of 91162254842 in words is "ninety-one billion, one hundred sixty-two million, two hundred fifty-four thousand, eight hundred forty-two".