16425880 has 32 divisors (see below), whose sum is σ = 38905200. Its totient is φ = 6224256.

The previous prime is 16425853. The next prime is 16425881. The reversal of 16425880 is 8852461.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10047 + ... + 11566.

Almost surely, 2^16425880 is an apocalyptic number.

16425880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16425880 is an abundant number, since it is smaller than the sum of its proper divisors (22479320).

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

16425880 is a wasteful number, since it uses less digits than its factorization.

16425880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21643 (or 21639 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 16425880 is about 4052.8853919152. The cubic root of 16425880 is about 254.2003915953.

The spelling of 16425880 in words is "sixteen million, four hundred twenty-five thousand, eight hundred eighty".