16425144 has 24 divisors (see below), whose sum is σ = 44484960. Its totient is φ = 5475024.

The previous prime is 16425113. The next prime is 16425163. The reversal of 16425144 is 44152461.

16425144 is a `hidden beast` number, since 1 + 642 + 5 + 14 + 4 = 666.

16425144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113992 + ... + 114135.

It is an arithmetic number, because the mean of its divisors is an integer number (1853540).

Almost surely, 2^16425144 is an apocalyptic number.

It is an amenable number.

16425144 is an abundant number, since it is smaller than the sum of its proper divisors (28059816).

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

16425144 is a wasteful number, since it uses less digits than its factorization.

16425144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228139 (or 228132 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 16425144 is about 4052.7945913900. The cubic root of 16425144 is about 254.1965948574.

It can be divided in two parts, 1642 and 5144, that multiplied together give a palindrome (8446448).

The spelling of 16425144 in words is "sixteen million, four hundred twenty-five thousand, one hundred forty-four".