163916004 has 48 divisors (see below), whose sum is σ = 452188800. Its totient is φ = 45217536.

The previous prime is 163915993. The next prime is 163916063. The reversal of 163916004 is 400619361.

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, 31209 + ... + 36080.

It is an arithmetic number, because the mean of its divisors is an integer number (9420600).

Almost surely, 2^163916004 is an apocalyptic number.

163916004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163916004 is an abundant number, since it is smaller than the sum of its proper divisors (288272796).

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

163916004 is a wasteful number, since it uses less digits than its factorization.

163916004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67332 (or 67330 counting only the distinct ones).

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

The square root of 163916004 is about 12802.9685620172. The cubic root of 163916004 is about 547.2769024941.

The spelling of 163916004 in words is "one hundred sixty-three million, nine hundred sixteen thousand, four".