86616173158 has 4 divisors (see below), whose sum is σ = 129924259740. Its totient is φ = 43308086578.

The previous prime is 86616173141. The next prime is 86616173159. The reversal of 86616173158 is 85137161668.

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

It is a super-2 number, since 2×86616173158² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86616173159) 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 as a sum of consecutive naturals, namely, 21654043288 + ... + 21654043291.

It is an arithmetic number, because the mean of its divisors is an integer number (32481064935).

Almost surely, 2^86616173158 is an apocalyptic number.

86616173158 is a deficient number, since it is larger than the sum of its proper divisors (43308086582).

86616173158 is a wasteful number, since it uses less digits than its factorization.

86616173158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43308086581.

The product of its digits is 1451520, while the sum is 52.

The spelling of 86616173158 in words is "eighty-six billion, six hundred sixteen million, one hundred seventy-three thousand, one hundred fifty-eight".