172662203442 has 16 divisors (see below), whose sum is σ = 346598669952. Its totient is φ = 57341690640.

The previous prime is 172662203437. The next prime is 172662203453. The reversal of 172662203442 is 244302266271.

It is a self number, because there is not a number n which added to its sum of digits gives 172662203442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53092533 + ... + 53095784.

It is an arithmetic number, because the mean of its divisors is an integer number (21662416872).

Almost surely, 2^172662203442 is an apocalyptic number.

172662203442 is an abundant number, since it is smaller than the sum of its proper divisors (173936466510).

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

172662203442 is a wasteful number, since it uses less digits than its factorization.

172662203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106188593.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 172662203442 in words is "one hundred seventy-two billion, six hundred sixty-two million, two hundred three thousand, four hundred forty-two".