16125940 has 12 divisors (see below), whose sum is σ = 33864516. Its totient is φ = 6450368.

The previous prime is 16125887. The next prime is 16125953. The reversal of 16125940 is 4952161.

It can be written as a sum of positive squares in 2 ways, for example, as 12013156 + 4112784 = 3466^2 + 2028^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16125899 and 16125908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403129 + ... + 403168.

It is an arithmetic number, because the mean of its divisors is an integer number (2822043).

Almost surely, 2^16125940 is an apocalyptic number.

16125940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16125940 is an abundant number, since it is smaller than the sum of its proper divisors (17738576).

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

16125940 is a wasteful number, since it uses less digits than its factorization.

16125940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806306 (or 806304 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 16125940 is about 4015.7116430341. The cubic root of 16125940 is about 252.6436264205.

The spelling of 16125940 in words is "sixteen million, one hundred twenty-five thousand, nine hundred forty".