163915910255 has 16 divisors (see below), whose sum is σ = 199199758464. Its totient is φ = 129467694240.

The previous prime is 163915910227. The next prime is 163915910329. The reversal of 163915910255 is 552019519361.

It is not a de Polignac number, because 163915910255 - 2⁸ = 163915909999 is a prime.

It is a Duffinian number.

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, 506372 + ... + 764358.

It is an arithmetic number, because the mean of its divisors is an integer number (12449984904).

Almost surely, 2^163915910255 is an apocalyptic number.

163915910255 is a deficient number, since it is larger than the sum of its proper divisors (35283848209).

163915910255 is a wasteful number, since it uses less digits than its factorization.

163915910255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259606.

The product of its (nonzero) digits is 364500, while the sum is 47.

The spelling of 163915910255 in words is "one hundred sixty-three billion, nine hundred fifteen million, nine hundred ten thousand, two hundred fifty-five".