16425885 has 16 divisors (see below), whose sum is σ = 30036096. Its totient is φ = 7508928.

The previous prime is 16425881. The next prime is 16425907. The reversal of 16425885 is 58852461.

It is not a de Polignac number, because 16425885 - 2² = 16425881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16425881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78114 + ... + 78323.

It is an arithmetic number, because the mean of its divisors is an integer number (1877256).

Almost surely, 2^16425885 is an apocalyptic number.

16425885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16425885 is a deficient number, since it is larger than the sum of its proper divisors (13610211).

16425885 is a wasteful number, since it uses less digits than its factorization.

16425885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156452.

The product of its digits is 76800, while the sum is 39.

The square root of 16425885 is about 4052.8860087597. The cubic root of 16425885 is about 254.2004173879.

The spelling of 16425885 in words is "sixteen million, four hundred twenty-five thousand, eight hundred eighty-five".