86169156 has 24 divisors (see below), whose sum is σ = 201241824. Its totient is φ = 28697280.

The previous prime is 86169151. The next prime is 86169157. The reversal of 86169156 is 65196168.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86169151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14691 + ... + 19701.

It is an arithmetic number, because the mean of its divisors is an integer number (8385076).

Almost surely, 2^86169156 is an apocalyptic number.

It is an amenable number.

86169156 is an abundant number, since it is smaller than the sum of its proper divisors (115072668).

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

86169156 is a wasteful number, since it uses less digits than its factorization.

86169156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451 (or 6449 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 86169156 is about 9282.7342954541. The cubic root of 86169156 is about 441.6897080341.

The spelling of 86169156 in words is "eighty-six million, one hundred sixty-nine thousand, one hundred fifty-six".