86160631 has 2 divisors, whose sum is σ = 86160632. Its totient is φ = 86160630.

The previous prime is 86160629. The next prime is 86160637. The reversal of 86160631 is 13606168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86160631 - 2¹ = 86160629 is a prime.

It is a super-2 number, since 2×86160631² = 14847308668636322, which contains 22 as substring.

Together with 86160629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 86160593 and 86160602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86160637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43080315 + 43080316.

It is an arithmetic number, because the mean of its divisors is an integer number (43080316).

Almost surely, 2^86160631 is an apocalyptic number.

86160631 is a deficient number, since it is larger than the sum of its proper divisors (1).

86160631 is an equidigital number, since it uses as much as digits as its factorization.

86160631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 86160631 is about 9282.2750982720. The cubic root of 86160631 is about 441.6751416118.

Adding to 86160631 its reverse (13606168), we get a palindrome (99766799).

The spelling of 86160631 in words is "eighty-six million, one hundred sixty thousand, six hundred thirty-one".