86165158 has 4 divisors (see below), whose sum is σ = 129247740. Its totient is φ = 43082578.

The previous prime is 86165137. The next prime is 86165159. The reversal of 86165158 is 85156168.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 86165158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86165159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21541288 + ... + 21541291.

It is an arithmetic number, because the mean of its divisors is an integer number (32311935).

Almost surely, 2^86165158 is an apocalyptic number.

86165158 is a deficient number, since it is larger than the sum of its proper divisors (43082582).

86165158 is a wasteful number, since it uses less digits than its factorization.

86165158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43082581.

The product of its digits is 57600, while the sum is 40.

The square root of 86165158 is about 9282.5189469238. The cubic root of 86165158 is about 441.6828768862.

The spelling of 86165158 in words is "eighty-six million, one hundred sixty-five thousand, one hundred fifty-eight".