163920126 has 32 divisors (see below), whose sum is σ = 353138688. Its totient is φ = 50577120.

The previous prime is 163920079. The next prime is 163920143. The reversal of 163920126 is 621029361.

It is a junction number, because it is equal to n+sod(n) for n = 163920093 and 163920102.

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, 14881 + ... + 23436.

It is an arithmetic number, because the mean of its divisors is an integer number (11035584).

Almost surely, 2^163920126 is an apocalyptic number.

163920126 is an abundant number, since it is smaller than the sum of its proper divisors (189218562).

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

163920126 is a wasteful number, since it uses less digits than its factorization.

163920126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38376.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 163920126 is about 12803.1295392962. The cubic root of 163920126 is about 547.2814899178.

Adding to 163920126 its reverse (621029361), we get a palindrome (784949487).

The spelling of 163920126 in words is "one hundred sixty-three million, nine hundred twenty thousand, one hundred twenty-six".