163227690 has 32 divisors (see below), whose sum is σ = 435274560. Its totient is φ = 43527312.

The previous prime is 163227671. The next prime is 163227707. The reversal of 163227690 is 96722361.

It is a super-2 number, since 2×163227690² = 53286557565472200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 in 15 ways as a sum of consecutive naturals, for example, 302004 + ... + 302543.

It is an arithmetic number, because the mean of its divisors is an integer number (13602330).

Almost surely, 2^163227690 is an apocalyptic number.

163227690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163227690 is an abundant number, since it is smaller than the sum of its proper divisors (272046870).

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

163227690 is a wasteful number, since it uses less digits than its factorization.

163227690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604563 (or 604557 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 163227690 is about 12776.0592515846. The cubic root of 163227690 is about 546.5097883344.

The spelling of 163227690 in words is "one hundred sixty-three million, two hundred twenty-seven thousand, six hundred ninety".