163887626379 has 16 divisors (see below), whose sum is σ = 228289420800. Its totient is φ = 104383452096.

The previous prime is 163887626363. The next prime is 163887626389. The reversal of 163887626379 is 973626788361.

It is not a de Polignac number, because 163887626379 - 2⁴ = 163887626363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163887626389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357594 + ... + 1473375.

It is an arithmetic number, because the mean of its divisors is an integer number (14268088800).

Almost surely, 2^163887626379 is an apocalyptic number.

163887626379 is a deficient number, since it is larger than the sum of its proper divisors (64401794421).

163887626379 is a wasteful number, since it uses less digits than its factorization.

163887626379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831834.

The product of its digits is 109734912, while the sum is 66.

The spelling of 163887626379 in words is "one hundred sixty-three billion, eight hundred eighty-seven million, six hundred twenty-six thousand, three hundred seventy-nine".