16631248 has 20 divisors (see below), whose sum is σ = 32408640. Its totient is φ = 8267744.

The previous prime is 16631233. The next prime is 16631249. The reversal of 16631248 is 84213661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16631249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40 + ... + 5767.

It is an arithmetic number, because the mean of its divisors is an integer number (1620432).

Almost surely, 2^16631248 is an apocalyptic number.

It is an amenable number.

16631248 is a deficient number, since it is larger than the sum of its proper divisors (15777392).

16631248 is a wasteful number, since it uses less digits than its factorization.

16631248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994 (or 5988 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 16631248 is about 4078.1427145209. The cubic root of 16631248 is about 255.2554047478.

The spelling of 16631248 in words is "sixteen million, six hundred thirty-one thousand, two hundred forty-eight".