16791425 has 24 divisors (see below), whose sum is σ = 23956800. Its totient is φ = 11436480.

The previous prime is 16791419. The next prime is 16791433. The reversal of 16791425 is 52419761.

It is not a de Polignac number, because 16791425 - 2¹⁴ = 16775041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39866 + ... + 40284.

It is an arithmetic number, because the mean of its divisors is an integer number (998200).

Almost surely, 2^16791425 is an apocalyptic number.

It is an amenable number.

16791425 is a deficient number, since it is larger than the sum of its proper divisors (7165375).

16791425 is a wasteful number, since it uses less digits than its factorization.

16791425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 660 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 16791425 is about 4097.7341299796. The cubic root of 16791425 is about 256.0722503183.

The spelling of 16791425 in words is "sixteen million, seven hundred ninety-one thousand, four hundred twenty-five".