165456076799 has 8 divisors (see below), whose sum is σ = 178194260160. Its totient is φ = 152719435296.

The previous prime is 165456076789. The next prime is 165456076813. The reversal of 165456076799 is 997670654561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165456076799 - 2¹⁶ = 165456011263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165456076729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157592 + ... + 596445.

It is an arithmetic number, because the mean of its divisors is an integer number (22274282520).

Almost surely, 2^165456076799 is an apocalyptic number.

165456076799 is a deficient number, since it is larger than the sum of its proper divisors (12738183361).

165456076799 is a wasteful number, since it uses less digits than its factorization.

165456076799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770929.

The product of its (nonzero) digits is 85730400, while the sum is 65.

The spelling of 165456076799 in words is "one hundred sixty-five billion, four hundred fifty-six million, seventy-six thousand, seven hundred ninety-nine".