16631948 has 12 divisors (see below), whose sum is σ = 29190840. Its totient is φ = 8291712.

The previous prime is 16631947. The next prime is 16631959. The reversal of 16631948 is 84913661.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16631941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4478 + ... + 7301.

It is an arithmetic number, because the mean of its divisors is an integer number (2432570).

Almost surely, 2^16631948 is an apocalyptic number.

It is an amenable number.

16631948 is a deficient number, since it is larger than the sum of its proper divisors (12558892).

16631948 is a wasteful number, since it uses less digits than its factorization.

16631948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12136 (or 12134 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 16631948 is about 4078.2285369999. The cubic root of 16631948 is about 255.2589858837.

The spelling of 16631948 in words is "sixteen million, six hundred thirty-one thousand, nine hundred forty-eight".