168045242271512 has 16 divisors (see below), whose sum is σ = 315085140031200. Its totient is φ = 84022538263200.

The previous prime is 168045242271493. The next prime is 168045242271601. The reversal of 168045242271512 is 215172242540861.

It is a super-2 number, since 2×168045242271512² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272239 + ... + 18376862.

It is an arithmetic number, because the mean of its divisors is an integer number (19692821251950).

Almost surely, 2^{168045242271512} is an apocalyptic number.

It is an amenable number.

168045242271512 is a deficient number, since it is larger than the sum of its proper divisors (147039897759688).

168045242271512 is a wasteful number, since it uses less digits than its factorization.

168045242271512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20718146 (or 20718142 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 168045242271512 in words is "one hundred sixty-eight trillion, forty-five billion, two hundred forty-two million, two hundred seventy-one thousand, five hundred twelve".