16491294 has 12 divisors (see below), whose sum is σ = 35731176. Its totient is φ = 5497092.

The previous prime is 16491283. The next prime is 16491301. The reversal of 16491294 is 49219461.

It is a happy number.

16491294 is a `hidden beast` number, since 1 + 649 + 1 + 2 + 9 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458074 + ... + 458109.

It is an arithmetic number, because the mean of its divisors is an integer number (2977598).

Almost surely, 2^16491294 is an apocalyptic number.

16491294 is an abundant number, since it is smaller than the sum of its proper divisors (19239882).

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

16491294 is a wasteful number, since it uses less digits than its factorization.

16491294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916191 (or 916188 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 16491294 is about 4060.9474264019. The cubic root of 16491294 is about 254.5373850024.

The spelling of 16491294 in words is "sixteen million, four hundred ninety-one thousand, two hundred ninety-four".