16411725 has 72 divisors (see below), whose sum is σ = 33852000. Its totient is φ = 7516800.

The previous prime is 16411699. The next prime is 16411739. The reversal of 16411725 is 52711461.

It is a happy number.

16411725 is a `hidden beast` number, since 1 + 641 + 17 + 2 + 5 = 666.

It is not a de Polignac number, because 16411725 - 2⁵ = 16411693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46851 + ... + 47199.

Almost surely, 2^16411725 is an apocalyptic number.

16411725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16411725 is an abundant number, since it is smaller than the sum of its proper divisors (17440275).

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

16411725 is a wasteful number, since it uses less digits than its factorization.

16411725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 387 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 16411725 is about 4051.1387288021. The cubic root of 16411725 is about 254.1273515588.

The spelling of 16411725 in words is "sixteen million, four hundred eleven thousand, seven hundred twenty-five".