165764629813 has 16 divisors (see below), whose sum is σ = 176008200192. Its totient is φ = 155866158000.

The previous prime is 165764629783. The next prime is 165764629831. The reversal of 165764629813 is 318926467561.

It is a cyclic number.

It is not a de Polignac number, because 165764629813 - 2¹⁷ = 165764498741 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 (165764629013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70933 + ... + 580138.

It is an arithmetic number, because the mean of its divisors is an integer number (11000512512).

Almost surely, 2^165764629813 is an apocalyptic number.

It is an amenable number.

165764629813 is a deficient number, since it is larger than the sum of its proper divisors (10243570379).

165764629813 is a wasteful number, since it uses less digits than its factorization.

165764629813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651336.

The product of its digits is 13063680, while the sum is 58.

The spelling of 165764629813 in words is "one hundred sixty-five billion, seven hundred sixty-four million, six hundred twenty-nine thousand, eight hundred thirteen".