8151091194 has 64 divisors (see below), whose sum is σ = 17016322176. Its totient is φ = 2600688384.

The previous prime is 8151091183. The next prime is 8151091211. The reversal of 8151091194 is 4911901518.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5103204 + ... + 5104800.

It is an arithmetic number, because the mean of its divisors is an integer number (265880034).

Almost surely, 2^8151091194 is an apocalyptic number.

8151091194 is an abundant number, since it is smaller than the sum of its proper divisors (8865230982).

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

8151091194 is a wasteful number, since it uses less digits than its factorization.

8151091194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 12960, while the sum is 39.

The square root of 8151091194 is about 90283.3937886697. The cubic root of 8151091194 is about 2012.5124884016.

The spelling of 8151091194 in words is "eight billion, one hundred fifty-one million, ninety-one thousand, one hundred ninety-four".