162668628 has 24 divisors (see below), whose sum is σ = 421733760. Its totient is φ = 54222840.

The previous prime is 162668617. The next prime is 162668641. The reversal of 162668628 is 826866261.

162668628 is a `hidden beast` number, since 16 + 2 + 6 + 6 + 8 + 628 = 666.

It is a super-2 number, since 2×162668628² = 52922165070804768, which 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 7 ways as a sum of consecutive naturals, for example, 752988 + ... + 753203.

It is an arithmetic number, because the mean of its divisors is an integer number (17572240).

Almost surely, 2^162668628 is an apocalyptic number.

162668628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

162668628 is an abundant number, since it is smaller than the sum of its proper divisors (259065132).

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

162668628 is a wasteful number, since it uses less digits than its factorization.

162668628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506204 (or 1506196 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 162668628 is about 12754.1612033093. The cubic root of 162668628 is about 545.8851346340.

The spelling of 162668628 in words is "one hundred sixty-two million, six hundred sixty-eight thousand, six hundred twenty-eight".