165103257983 has 16 divisors (see below), whose sum is σ = 184770823680. Its totient is φ = 146790113184.

The previous prime is 165103257959. The next prime is 165103258003. The reversal of 165103257983 is 389752301561.

It is a cyclic number.

It is not a de Polignac number, because 165103257983 - 2⁸ = 165103257727 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 (165103257283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3541091 + ... + 3587412.

It is an arithmetic number, because the mean of its divisors is an integer number (11548176480).

Almost surely, 2^165103257983 is an apocalyptic number.

165103257983 is a deficient number, since it is larger than the sum of its proper divisors (19667565697).

165103257983 is a wasteful number, since it uses less digits than its factorization.

165103257983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128598.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 165103257983 in words is "one hundred sixty-five billion, one hundred three million, two hundred fifty-seven thousand, nine hundred eighty-three".