8160631 has 2 divisors, whose sum is σ = 8160632. Its totient is φ = 8160630.

The previous prime is 8160617. The next prime is 8160637. The reversal of 8160631 is 1360618.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8160631 - 2¹⁵ = 8127863 is a prime.

It is a super-2 number, since 2×8160631² = 133191796636322, which contains 22 as substring.

8160631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8160596 and 8160605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8160637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080315 + 4080316.

It is an arithmetic number, because the mean of its divisors is an integer number (4080316).

Almost surely, 2^8160631 is an apocalyptic number.

8160631 is a deficient number, since it is larger than the sum of its proper divisors (1).

8160631 is an equidigital number, since it uses as much as digits as its factorization.

8160631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8160631 is about 2856.6818163737. The cubic root of 8160631 is about 201.3297311486.

The spelling of 8160631 in words is "eight million, one hundred sixty thousand, six hundred thirty-one".