168886572 has 12 divisors (see below), whose sum is σ = 394068696. Its totient is φ = 56295520.

The previous prime is 168886561. The next prime is 168886577. The reversal of 168886572 is 275688861.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×168886572² = 57045348403822368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168886577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7036929 + ... + 7036952.

It is an arithmetic number, because the mean of its divisors is an integer number (32839058).

Almost surely, 2^168886572 is an apocalyptic number.

168886572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168886572 is an abundant number, since it is smaller than the sum of its proper divisors (225182124).

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

168886572 is a wasteful number, since it uses less digits than its factorization.

168886572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14073888 (or 14073886 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 168886572 is about 12995.6366523537. The cubic root of 168886572 is about 552.7537617972.

The spelling of 168886572 in words is "one hundred sixty-eight million, eight hundred eighty-six thousand, five hundred seventy-two".