16643152 has 20 divisors (see below), whose sum is σ = 32562400. Its totient is φ = 8239968.

The previous prime is 16643117. The next prime is 16643177. The reversal of 16643152 is 25134661.

It is a self number, because there is not a number n which added to its sum of digits gives 16643152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402 + ... + 6697.

It is an arithmetic number, because the mean of its divisors is an integer number (1628120).

Almost surely, 2^16643152 is an apocalyptic number.

It is an amenable number.

16643152 is a deficient number, since it is larger than the sum of its proper divisors (15919248).

16643152 is a wasteful number, since it uses less digits than its factorization.

16643152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210 (or 10204 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 16643152 is about 4079.6019413663. The cubic root of 16643152 is about 255.3162908514.

The spelling of 16643152 in words is "sixteen million, six hundred forty-three thousand, one hundred fifty-two".