16125900 has 108 divisors (see below), whose sum is σ = 54324648. Its totient is φ = 3682560.

The previous prime is 16125887. The next prime is 16125953. The reversal of 16125900 is 952161.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14152 + ... + 15248.

It is an arithmetic number, because the mean of its divisors is an integer number (503006).

Almost surely, 2^16125900 is an apocalyptic number.

16125900 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 16125900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27162324).

16125900 is an abundant number, since it is smaller than the sum of its proper divisors (38198748).

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

16125900 is a wasteful number, since it uses less digits than its factorization.

16125900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 16125900 is about 4015.7066625938. The cubic root of 16125900 is about 252.6434175282.

The spelling of 16125900 in words is "sixteen million, one hundred twenty-five thousand, nine hundred".