16425879 has 4 divisors (see below), whose sum is σ = 21901176. Its totient is φ = 10950584.

The previous prime is 16425853. The next prime is 16425881. The reversal of 16425879 is 97852461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16425879 - 2⁸ = 16425623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16425879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16425839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737644 + ... + 2737649.

It is an arithmetic number, because the mean of its divisors is an integer number (5475294).

Almost surely, 2^16425879 is an apocalyptic number.

16425879 is a deficient number, since it is larger than the sum of its proper divisors (5475297).

16425879 is an equidigital number, since it uses as much as digits as its factorization.

16425879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475296.

The product of its digits is 120960, while the sum is 42.

The square root of 16425879 is about 4052.8852685463. The cubic root of 16425879 is about 254.2003864367.

The spelling of 16425879 in words is "sixteen million, four hundred twenty-five thousand, eight hundred seventy-nine".