15663452 has 24 divisors (see below), whose sum is σ = 31772160. Its totient is φ = 6617520.

The previous prime is 15663449. The next prime is 15663499. The reversal of 15663452 is 25436651.

15663452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952 + ... + 5927.

It is an arithmetic number, because the mean of its divisors is an integer number (1323840).

Almost surely, 2^15663452 is an apocalyptic number.

It is an amenable number.

15663452 is an abundant number, since it is smaller than the sum of its proper divisors (16108708).

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

15663452 is a wasteful number, since it uses less digits than its factorization.

15663452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7961 (or 7959 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 15663452 is about 3957.7079225228. The cubic root of 15663452 is about 250.2049093361.

The spelling of 15663452 in words is "fifteen million, six hundred sixty-three thousand, four hundred fifty-two".