172618985148 has 48 divisors (see below), whose sum is σ = 404316654336. Its totient is φ = 57320081280.

The previous prime is 172618985093. The next prime is 172618985179. The reversal of 172618985148 is 841589816271.

It is a junction number, because it is equal to n+sod(n) for n = 172618985091 and 172618985100.

It is a congruent number.

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, 5158840 + ... + 5192192.

It is an arithmetic number, because the mean of its divisors is an integer number (8423263632).

Almost surely, 2^172618985148 is an apocalyptic number.

It is an amenable number.

172618985148 is an abundant number, since it is smaller than the sum of its proper divisors (231697669188).

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

172618985148 is a wasteful number, since it uses less digits than its factorization.

172618985148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34994 (or 34992 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 60.

The spelling of 172618985148 in words is "one hundred seventy-two billion, six hundred eighteen million, nine hundred eighty-five thousand, one hundred forty-eight".