163146855 has 16 divisors (see below), whose sum is σ = 261312480. Its totient is φ = 86919168.

The previous prime is 163146827. The next prime is 163146877. The reversal of 163146855 is 558641361.

It is not a de Polignac number, because 163146855 - 2⁶ = 163146791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10231 + ... + 20759.

It is an arithmetic number, because the mean of its divisors is an integer number (16332030).

Almost surely, 2^163146855 is an apocalyptic number.

163146855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163146855 is a deficient number, since it is larger than the sum of its proper divisors (98165625).

163146855 is a wasteful number, since it uses less digits than its factorization.

163146855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11570.

The product of its digits is 86400, while the sum is 39.

The square root of 163146855 is about 12772.8953256495. The cubic root of 163146855 is about 546.4195577015.

The spelling of 163146855 in words is "one hundred sixty-three million, one hundred forty-six thousand, eight hundred fifty-five".