180173163408 has 80 divisors (see below), whose sum is σ = 532038137856. Its totient is φ = 51468531840.

The previous prime is 180173163383. The next prime is 180173163433. The reversal of 180173163408 is 804361371081.

It is an interprime number because it is at equal distance from previous prime (180173163383) and next prime (180173163433).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 180173163408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1882963 + ... + 1976333.

Almost surely, 2^180173163408 is an apocalyptic number.

It is an amenable number.

180173163408 is an abundant number, since it is smaller than the sum of its proper divisors (351864974448).

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

180173163408 is a wasteful number, since it uses less digits than its factorization.

180173163408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99132 (or 99126 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 180173163408 in words is "one hundred eighty billion, one hundred seventy-three million, one hundred sixty-three thousand, four hundred eight".