16087825 has 24 divisors (see below), whose sum is σ = 21873600. Its totient is φ = 11664960.

The previous prime is 16087811. The next prime is 16087829. The reversal of 16087825 is 52878061.

It is not a de Polignac number, because 16087825 - 2⁵ = 16087793 is a prime.

It is a super-2 number, since 2×16087825² = 517636226461250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16087829) 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, 18756 + ... + 19594.

It is an arithmetic number, because the mean of its divisors is an integer number (911400).

Almost surely, 2^16087825 is an apocalyptic number.

It is an amenable number.

16087825 is a deficient number, since it is larger than the sum of its proper divisors (5785775).

16087825 is a wasteful number, since it uses less digits than its factorization.

16087825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 16087825 is about 4010.9631013012. The cubic root of 16087825 is about 252.4444213195. Note that the first 4 decimals are identical.

The spelling of 16087825 in words is "sixteen million, eighty-seven thousand, eight hundred twenty-five".