165615704167 has 2 divisors, whose sum is σ = 165615704168. Its totient is φ = 165615704166.

The previous prime is 165615704159. The next prime is 165615704183. The reversal of 165615704167 is 761407516561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165615704167 - 2³ = 165615704159 is a prime.

It is a super-2 number, since 2×165615704167² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165615704167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165615704567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82807852083 + 82807852084.

It is an arithmetic number, because the mean of its divisors is an integer number (82807852084).

Almost surely, 2^165615704167 is an apocalyptic number.

165615704167 is a deficient number, since it is larger than the sum of its proper divisors (1).

165615704167 is an equidigital number, since it uses as much as digits as its factorization.

165615704167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 165615704167 in words is "one hundred sixty-five billion, six hundred fifteen million, seven hundred four thousand, one hundred sixty-seven".