86146471151631 has 32 divisors (see below), whose sum is σ = 139242570474240. Its totient is φ = 52204001104800.

The previous prime is 86146471151617. The next prime is 86146471151641. The reversal of 86146471151631 is 13615117464168.

86146471151631 is a `hidden beast` number, since 8 + 6 + 1 + 4 + 6 + 471 + 1 + 5 + 163 + 1 = 666.

It is not a de Polignac number, because 86146471151631 - 2⁵ = 86146471151599 is a prime.

It is a super-2 number, since 2×86146471151631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86146471151641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14017560 + ... + 19203773.

It is an arithmetic number, because the mean of its divisors is an integer number (4351330327320).

Almost surely, 2^{86146471151631} is an apocalyptic number.

86146471151631 is a deficient number, since it is larger than the sum of its proper divisors (53096099322609).

86146471151631 is a wasteful number, since it uses less digits than its factorization.

86146471151631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33230084 (or 33230078 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 86146471151631 in words is "eighty-six trillion, one hundred forty-six billion, four hundred seventy-one million, one hundred fifty-one thousand, six hundred thirty-one".