165030390255 has 32 divisors (see below), whose sum is σ = 279616195584. Its totient is φ = 82828325376.

The previous prime is 165030390197. The next prime is 165030390269. The reversal of 165030390255 is 552093030561.

It is not a de Polignac number, because 165030390255 - 2⁷ = 165030390127 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2229774 + ... + 2302596.

It is an arithmetic number, because the mean of its divisors is an integer number (8738006112).

Almost surely, 2^165030390255 is an apocalyptic number.

165030390255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165030390255 is a deficient number, since it is larger than the sum of its proper divisors (114585805329).

165030390255 is a wasteful number, since it uses less digits than its factorization.

165030390255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81735.

The product of its (nonzero) digits is 121500, while the sum is 39.

The spelling of 165030390255 in words is "one hundred sixty-five billion, thirty million, three hundred ninety thousand, two hundred fifty-five".