163256090 has 16 divisors (see below), whose sum is σ = 294084000. Its totient is φ = 65252880.

The previous prime is 163256089. The next prime is 163256111. The reversal of 163256090 is 90652361.

It is a happy number.

163256090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 9545 + ... + 20435.

It is an arithmetic number, because the mean of its divisors is an integer number (18380250).

Almost surely, 2^163256090 is an apocalyptic number.

163256090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163256090 is a deficient number, since it is larger than the sum of its proper divisors (130827910).

163256090 is a wasteful number, since it uses less digits than its factorization.

163256090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12397.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 163256090 is about 12777.1706570743. The cubic root of 163256090 is about 546.5414822582.

The spelling of 163256090 in words is "one hundred sixty-three million, two hundred fifty-six thousand, ninety".