16125915 has 32 divisors (see below), whose sum is σ = 28478016. Its totient is φ = 7741440.

The previous prime is 16125887. The next prime is 16125953. The reversal of 16125915 is 51952161.

It is not a de Polignac number, because 16125915 - 2⁵ = 16125883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6987 + ... + 9003.

It is an arithmetic number, because the mean of its divisors is an integer number (889938).

Almost surely, 2^16125915 is an apocalyptic number.

16125915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16125915 is a deficient number, since it is larger than the sum of its proper divisors (12352101).

16125915 is a wasteful number, since it uses less digits than its factorization.

16125915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its digits is 2700, while the sum is 30.

The square root of 16125915 is about 4015.7085302596. The cubic root of 16125915 is about 252.6434958628.

The spelling of 16125915 in words is "sixteen million, one hundred twenty-five thousand, nine hundred fifteen".