64131167 has 2 divisors, whose sum is σ = 64131168. Its totient is φ = 64131166.

The previous prime is 64131149. The next prime is 64131211. The reversal of 64131167 is 76113146.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64131167 is a prime.

It is a super-2 number, since 2×64131167² = 8225613161563778, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64131367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32065583 + 32065584.

It is an arithmetic number, because the mean of its divisors is an integer number (32065584).

Almost surely, 2^64131167 is an apocalyptic number.

64131167 is a deficient number, since it is larger than the sum of its proper divisors (1).

64131167 is an equidigital number, since it uses as much as digits as its factorization.

64131167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 64131167 is about 8008.1937414126. The cubic root of 64131167 is about 400.2730781118.

The spelling of 64131167 in words is "sixty-four million, one hundred thirty-one thousand, one hundred sixty-seven".