91192817130 has 16 divisors (see below), whose sum is σ = 218862761184. Its totient is φ = 24318084560.

The previous prime is 91192817117. The next prime is 91192817143. The reversal of 91192817130 is 3171829119.

It is an interprime number because it is at equal distance from previous prime (91192817117) and next prime (91192817143).

It is a super-2 number, since 2×91192817130² (a number of 23 digits) contains 22 as substring.

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, 1519880256 + ... + 1519880315.

It is an arithmetic number, because the mean of its divisors is an integer number (13678922574).

Almost surely, 2^91192817130 is an apocalyptic number.

91192817130 is an abundant number, since it is smaller than the sum of its proper divisors (127669944054).

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

91192817130 is a wasteful number, since it uses less digits than its factorization.

91192817130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039760581.

The product of its (nonzero) digits is 27216, while the sum is 42.

The spelling of 91192817130 in words is "ninety-one billion, one hundred ninety-two million, eight hundred seventeen thousand, one hundred thirty".