172230681498 has 32 divisors (see below), whose sum is σ = 352643544000. Its totient is φ = 56047829376.

The previous prime is 172230681481. The next prime is 172230681521. The reversal of 172230681498 is 894186032271.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 172230681498.

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, 372478 + ... + 695126.

It is an arithmetic number, because the mean of its divisors is an integer number (11020110750).

Almost surely, 2^172230681498 is an apocalyptic number.

172230681498 is an abundant number, since it is smaller than the sum of its proper divisors (180412862502).

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

172230681498 is a wasteful number, since it uses less digits than its factorization.

172230681498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324766.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 172230681498 in words is "one hundred seventy-two billion, two hundred thirty million, six hundred eighty-one thousand, four hundred ninety-eight".