16144372 has 6 divisors (see below), whose sum is σ = 28252658. Its totient is φ = 8072184.

The previous prime is 16144369. The next prime is 16144399. The reversal of 16144372 is 27344161.

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 3370896 = 3574^2 + 1836^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16144372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2018043 + ... + 2018050.

Almost surely, 2^16144372 is an apocalyptic number.

It is an amenable number.

16144372 is a deficient number, since it is larger than the sum of its proper divisors (12108286).

16144372 is a wasteful number, since it uses less digits than its factorization.

16144372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036097 (or 4036095 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 16144372 is about 4018.0059731165. The cubic root of 16144372 is about 252.7398472554.

The spelling of 16144372 in words is "sixteen million, one hundred forty-four thousand, three hundred seventy-two".