180364144164 has 12 divisors (see below), whose sum is σ = 420849669744. Its totient is φ = 60121381384.

The previous prime is 180364144159. The next prime is 180364144241. The reversal of 180364144164 is 461441463081.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7515172662 + ... + 7515172685.

It is an arithmetic number, because the mean of its divisors is an integer number (35070805812).

Almost surely, 2^180364144164 is an apocalyptic number.

It is an amenable number.

180364144164 is an abundant number, since it is smaller than the sum of its proper divisors (240485525580).

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

180364144164 is a wasteful number, since it uses less digits than its factorization.

180364144164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030345354 (or 15030345352 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 180364144164 in words is "one hundred eighty billion, three hundred sixty-four million, one hundred forty-four thousand, one hundred sixty-four".