16631494 has 8 divisors (see below), whose sum is σ = 27215208. Its totient is φ = 7559760.

The previous prime is 16631449. The next prime is 16631501. The reversal of 16631494 is 49413661.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 377967 + ... + 378010.

It is an arithmetic number, because the mean of its divisors is an integer number (3401901).

Almost surely, 2^16631494 is an apocalyptic number.

16631494 is a deficient number, since it is larger than the sum of its proper divisors (10583714).

16631494 is a wasteful number, since it uses less digits than its factorization.

16631494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755990.

The product of its digits is 15552, while the sum is 34.

The square root of 16631494 is about 4078.1728751979. The cubic root of 16631494 is about 255.2566632727.

The spelling of 16631494 in words is "sixteen million, six hundred thirty-one thousand, four hundred ninety-four".