180038164165 has 32 divisors (see below), whose sum is σ = 236364410880. Its totient is φ = 131057049600.

The previous prime is 180038164157. The next prime is 180038164183. The reversal of 180038164165 is 561461830081.

It is not a de Polignac number, because 180038164165 - 2³ = 180038164157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2704885 + ... + 2770645.

It is an arithmetic number, because the mean of its divisors is an integer number (7386387840).

Almost surely, 2^180038164165 is an apocalyptic number.

It is an amenable number.

180038164165 is a deficient number, since it is larger than the sum of its proper divisors (56326246715).

180038164165 is a wasteful number, since it uses less digits than its factorization.

180038164165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66853.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 180038164165 in words is "one hundred eighty billion, thirty-eight million, one hundred sixty-four thousand, one hundred sixty-five".