86652631008191 has 4 divisors (see below), whose sum is σ = 86652705327672. Its totient is φ = 86652556688712.

The previous prime is 86652631008133. The next prime is 86652631008269. The reversal of 86652631008191 is 19180013625668.

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

It is a cyclic number.

It is not a de Polignac number, because 86652631008191 - 2⁴² = 82254584497087 is a prime.

It is a super-2 number, since 2×86652631008191² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86652631008091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35382485 + ... + 37752158.

It is an arithmetic number, because the mean of its divisors is an integer number (21663176331918).

Almost surely, 2^{86652631008191} is an apocalyptic number.

86652631008191 is a deficient number, since it is larger than the sum of its proper divisors (74319481).

86652631008191 is a wasteful number, since it uses less digits than its factorization.

86652631008191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74319480.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 86652631008191 in words is "eighty-six trillion, six hundred fifty-two billion, six hundred thirty-one million, eight thousand, one hundred ninety-one".