165081906967 has 2 divisors, whose sum is σ = 165081906968. Its totient is φ = 165081906966.

The previous prime is 165081906901. The next prime is 165081906973. The reversal of 165081906967 is 769609180561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165081906967 is a prime.

It is a super-2 number, since 2×165081906967² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165081976967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82540953483 + 82540953484.

It is an arithmetic number, because the mean of its divisors is an integer number (82540953484).

Almost surely, 2^165081906967 is an apocalyptic number.

165081906967 is a deficient number, since it is larger than the sum of its proper divisors (1).

165081906967 is an equidigital number, since it uses as much as digits as its factorization.

165081906967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 165081906967 in words is "one hundred sixty-five billion, eighty-one million, nine hundred six thousand, nine hundred sixty-seven".