16163404 has 12 divisors (see below), whose sum is σ = 28765800. Its totient is φ = 7944608.

The previous prime is 16163393. The next prime is 16163423. The reversal of 16163404 is 40436161.

16163404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16163404² = 522511257734432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34009 + ... + 34480.

It is an arithmetic number, because the mean of its divisors is an integer number (2397150).

Almost surely, 2^16163404 is an apocalyptic number.

It is an amenable number.

16163404 is a deficient number, since it is larger than the sum of its proper divisors (12602396).

16163404 is a wasteful number, since it uses less digits than its factorization.

16163404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68552 (or 68550 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 16163404 is about 4020.3736144791. The cubic root of 16163404 is about 252.8391234581.

Adding to 16163404 its reverse (40436161), we get a palindrome (56599565).

The spelling of 16163404 in words is "sixteen million, one hundred sixty-three thousand, four hundred four".