16125650 has 12 divisors (see below), whose sum is σ = 29993802. Its totient is φ = 6450240.

The previous prime is 16125647. The next prime is 16125667. The reversal of 16125650 is 5652161.

It can be written as a sum of positive squares in 3 ways, for example, as 15499969 + 625681 = 3937^2 + 791^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161207 + ... + 161306.

Almost surely, 2^16125650 is an apocalyptic number.

16125650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16125650 is a deficient number, since it is larger than the sum of its proper divisors (13868152).

16125650 is a wasteful number, since it uses less digits than its factorization.

16125650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322525 (or 322520 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 16125650 is about 4015.6755347015. The cubic root of 16125650 is about 252.6421119436.

The spelling of 16125650 in words is "sixteen million, one hundred twenty-five thousand, six hundred fifty".