16125816 has 32 divisors (see below), whose sum is σ = 46074240. Its totient is φ = 4607328.

The previous prime is 16125803. The next prime is 16125869. The reversal of 16125816 is 61852161.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47826 + ... + 48161.

It is an arithmetic number, because the mean of its divisors is an integer number (1439820).

Almost surely, 2^16125816 is an apocalyptic number.

It is an amenable number.

16125816 is an abundant number, since it is smaller than the sum of its proper divisors (29948424).

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

16125816 is a wasteful number, since it uses less digits than its factorization.

16125816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96003 (or 95999 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 16125816 is about 4015.6962036489. The cubic root of 16125816 is about 252.6429788533.

Adding to 16125816 its reverse (61852161), we get a palindrome (77977977).

The spelling of 16125816 in words is "sixteen million, one hundred twenty-five thousand, eight hundred sixteen".