168522412 has 6 divisors (see below), whose sum is σ = 294914228. Its totient is φ = 84261204.

The previous prime is 168522407. The next prime is 168522463. The reversal of 168522412 is 214225861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21065298 + ... + 21065305.

Almost surely, 2^168522412 is an apocalyptic number.

It is an amenable number.

168522412 is a deficient number, since it is larger than the sum of its proper divisors (126391816).

168522412 is a wasteful number, since it uses less digits than its factorization.

168522412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42130607 (or 42130605 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 168522412 is about 12981.6182350276. The cubic root of 168522412 is about 552.3561859604.

The spelling of 168522412 in words is "one hundred sixty-eight million, five hundred twenty-two thousand, four hundred twelve".