170904899112 has 32 divisors (see below), whose sum is σ = 427272641280. Its totient is φ = 56966913920.

The previous prime is 170904899111. The next prime is 170904899149. The reversal of 170904899112 is 211998409071.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (170904899111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557412 + ... + 1663532.

It is an arithmetic number, because the mean of its divisors is an integer number (13352270040).

Almost surely, 2^170904899112 is an apocalyptic number.

170904899112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

170904899112 is an abundant number, since it is smaller than the sum of its proper divisors (256367742168).

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

170904899112 is a wasteful number, since it uses less digits than its factorization.

170904899112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173233 (or 173229 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 51.

The spelling of 170904899112 in words is "one hundred seventy billion, nine hundred four million, eight hundred ninety-nine thousand, one hundred twelve".