16488625 has 8 divisors (see below), whose sum is σ = 20577960. Its totient is φ = 13190800.

The previous prime is 16488613. The next prime is 16488629. The reversal of 16488625 is 52688461.

It can be written as a sum of positive squares in 4 ways, for example, as 134689 + 16353936 = 367^2 + 4044^2 .

It is not a de Polignac number, because 16488625 - 2¹³ = 16480433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16488629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65830 + ... + 66079.

It is an arithmetic number, because the mean of its divisors is an integer number (2572245).

Almost surely, 2^16488625 is an apocalyptic number.

It is an amenable number.

16488625 is a deficient number, since it is larger than the sum of its proper divisors (4089335).

16488625 is an equidigital number, since it uses as much as digits as its factorization.

16488625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131924 (or 131914 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 16488625 is about 4060.6187952084. The cubic root of 16488625 is about 254.5236525661.

The spelling of 16488625 in words is "sixteen million, four hundred eighty-eight thousand, six hundred twenty-five".