16493725 has 24 divisors (see below), whose sum is σ = 21332960. Its totient is φ = 12640320.

The previous prime is 16493713. The next prime is 16493731. The reversal of 16493725 is 52739461.

It is not a de Polignac number, because 16493725 - 2²¹ = 14396573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71911 + ... + 72139.

Almost surely, 2^16493725 is an apocalyptic number.

It is an amenable number.

16493725 is a deficient number, since it is larger than the sum of its proper divisors (4839235).

16493725 is a wasteful number, since it uses less digits than its factorization.

16493725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 344 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 16493725 is about 4061.2467297617. The cubic root of 16493725 is about 254.5498916009.

The spelling of 16493725 in words is "sixteen million, four hundred ninety-three thousand, seven hundred twenty-five".