16125660 has 72 divisors (see below), whose sum is σ = 49454496. Its totient is φ = 4252800.

The previous prime is 16125647. The next prime is 16125667. The reversal of 16125660 is 6652161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16125667) 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, 17737 + ... + 18623.

It is an arithmetic number, because the mean of its divisors is an integer number (686868).

Almost surely, 2^16125660 is an apocalyptic number.

16125660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16125660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24727248).

16125660 is an abundant number, since it is smaller than the sum of its proper divisors (33328836).

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

16125660 is a wasteful number, since it uses less digits than its factorization.

16125660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16125660 is about 4015.6767798218. The cubic root of 16125660 is about 252.6421641672.

The spelling of 16125660 in words is "sixteen million, one hundred twenty-five thousand, six hundred sixty".