15663152 has 10 divisors (see below), whose sum is σ = 30347388. Its totient is φ = 7831568.

The previous prime is 15663139. The next prime is 15663157. The reversal of 15663152 is 25136651.

It is not an unprimeable number, because it can be changed into a prime (15663157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489458 + ... + 489489.

Almost surely, 2^15663152 is an apocalyptic number.

It is an amenable number.

15663152 is a deficient number, since it is larger than the sum of its proper divisors (14684236).

15663152 is an equidigital number, since it uses as much as digits as its factorization.

15663152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978955 (or 978949 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 15663152 is about 3957.6700216163. The cubic root of 15663152 is about 250.2033119455.

The spelling of 15663152 in words is "fifteen million, six hundred sixty-three thousand, one hundred fifty-two".