8156101086 has 96 divisors (see below), whose sum is σ = 20983592448. Its totient is φ = 2325918240.

The previous prime is 8156101021. The next prime is 8156101087. The reversal of 8156101086 is 6801016518.

8156101086 is a `hidden beast` number, since 8 + 1 + 561 + 0 + 10 + 86 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8156101086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8156101087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2083471 + ... + 2087381.

It is an arithmetic number, because the mean of its divisors is an integer number (218579088).

Almost surely, 2^8156101086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8156101086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10491796224).

8156101086 is an abundant number, since it is smaller than the sum of its proper divisors (12827491362).

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

8156101086 is a wasteful number, since it uses less digits than its factorization.

8156101086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 8156101086 is about 90311.1348948733. The cubic root of 8156101086 is about 2012.9247197223.

The spelling of 8156101086 in words is "eight billion, one hundred fifty-six million, one hundred one thousand, eighty-six".