180036220164 has 48 divisors (see below), whose sum is σ = 445274625600. Its totient is φ = 56421093376.

The previous prime is 180036220153. The next prime is 180036220171. The reversal of 180036220164 is 461022630081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285474 + ... + 664505.

It is an arithmetic number, because the mean of its divisors is an integer number (9276554700).

Almost surely, 2^180036220164 is an apocalyptic number.

It is an amenable number.

180036220164 is an abundant number, since it is smaller than the sum of its proper divisors (265238405436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180036220164 is a wasteful number, since it uses less digits than its factorization.

180036220164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950932 (or 950930 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 180036220164 in words is "one hundred eighty billion, thirty-six million, two hundred twenty thousand, one hundred sixty-four".