91134172910340 has 192 divisors, whose sum is σ = 324538134520320. Its totient is φ = 20798170398720.

The previous prime is 91134172910317. The next prime is 91134172910357. The reversal of 91134172910340 is 4301927143119.

91134172910340 is a `hidden beast` number, since 9 + 1 + 1 + 3 + 4 + 17 + 291 + 0 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16383237 + ... + 21229196.

It is an arithmetic number, because the mean of its divisors is an integer number (1690302783960).

Almost surely, 2^{91134172910340} is an apocalyptic number.

91134172910340 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

91134172910340 is an abundant number, since it is smaller than the sum of its proper divisors (233403961609980).

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

91134172910340 is a wasteful number, since it uses less digits than its factorization.

91134172910340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37613099 (or 37613091 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 91134172910340 in words is "ninety-one trillion, one hundred thirty-four billion, one hundred seventy-two million, nine hundred ten thousand, three hundred forty".