165376772039 has 2 divisors, whose sum is σ = 165376772040. Its totient is φ = 165376772038.

The previous prime is 165376772023. The next prime is 165376772053. The reversal of 165376772039 is 930277673561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165376772039 - 2⁴ = 165376772023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165376772839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82688386019 + 82688386020.

It is an arithmetic number, because the mean of its divisors is an integer number (82688386020).

Almost surely, 2^165376772039 is an apocalyptic number.

165376772039 is a deficient number, since it is larger than the sum of its proper divisors (1).

165376772039 is an equidigital number, since it uses as much as digits as its factorization.

165376772039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10001880, while the sum is 56.

The spelling of 165376772039 in words is "one hundred sixty-five billion, three hundred seventy-six million, seven hundred seventy-two thousand, thirty-nine".