8158158204 has 24 divisors (see below), whose sum is σ = 21755088768. Its totient is φ = 2330902320.

The previous prime is 8158158191. The next prime is 8158158209. The reversal of 8158158204 is 4028518518.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8158158209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48560382 + ... + 48560549.

It is an arithmetic number, because the mean of its divisors is an integer number (906462032).

Almost surely, 2^8158158204 is an apocalyptic number.

8158158204 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8158158204 is an abundant number, since it is smaller than the sum of its proper divisors (13596930564).

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

8158158204 is a wasteful number, since it uses less digits than its factorization.

8158158204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97120945 (or 97120943 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 42.

The square root of 8158158204 is about 90322.5232375624. The cubic root of 8158158204 is about 2013.0939376508.

The spelling of 8158158204 in words is "eight billion, one hundred fifty-eight million, one hundred fifty-eight thousand, two hundred four".