16425688 has 8 divisors (see below), whose sum is σ = 30798180. Its totient is φ = 8212840.

The previous prime is 16425683. The next prime is 16425713. The reversal of 16425688 is 88652461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 16425688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16425683) 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 as a sum of consecutive naturals, namely, 1026598 + ... + 1026613.

Almost surely, 2^16425688 is an apocalyptic number.

It is an amenable number.

16425688 is a deficient number, since it is larger than the sum of its proper divisors (14372492).

16425688 is a wasteful number, since it uses less digits than its factorization.

16425688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053217 (or 2053213 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 16425688 is about 4052.8617050178. The cubic root of 16425688 is about 254.1994011528.

It can be divided in two parts, 164 and 25688, that added together give a palindrome (25852).

The spelling of 16425688 in words is "sixteen million, four hundred twenty-five thousand, six hundred eighty-eight".