16949618 has 16 divisors (see below), whose sum is σ = 29346624. Its totient is φ = 7191600.

The previous prime is 16949573. The next prime is 16949627. The reversal of 16949618 is 81694961.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4580 + ... + 7407.

It is an arithmetic number, because the mean of its divisors is an integer number (1834164).

Almost surely, 2^16949618 is an apocalyptic number.

16949618 is a deficient number, since it is larger than the sum of its proper divisors (12397006).

16949618 is a wasteful number, since it uses less digits than its factorization.

16949618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097.

The product of its digits is 93312, while the sum is 44.

The square root of 16949618 is about 4116.9913772074. The cubic root of 16949618 is about 256.8738953467.

The spelling of 16949618 in words is "sixteen million, nine hundred forty-nine thousand, six hundred eighteen".