16163109 has 24 divisors (see below), whose sum is σ = 24180000. Its totient is φ = 10398240.

The previous prime is 16163101. The next prime is 16163111. The reversal of 16163109 is 90136161.

16163109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16163109 - 2³ = 16163101 is a prime.

It is a super-2 number, since 2×16163109² = 522492185091762, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16163101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32142 + ... + 32640.

It is an arithmetic number, because the mean of its divisors is an integer number (1007500).

Almost surely, 2^16163109 is an apocalyptic number.

It is an amenable number.

16163109 is a deficient number, since it is larger than the sum of its proper divisors (8016891).

16163109 is a wasteful number, since it uses less digits than its factorization.

16163109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 16163109 is about 4020.3369261792. The cubic root of 16163109 is about 252.8375852508.

The spelling of 16163109 in words is "sixteen million, one hundred sixty-three thousand, one hundred nine".