16811494 has 32 divisors (see below), whose sum is σ = 29756160. Its totient is φ = 6975072.

The previous prime is 16811479. The next prime is 16811497. The reversal of 16811494 is 49411861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16811497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103057 + ... + 103219.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 2^16811494 is an apocalyptic number.

16811494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16811494 is a deficient number, since it is larger than the sum of its proper divisors (12944666).

16811494 is a wasteful number, since it uses less digits than its factorization.

16811494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its digits is 6912, while the sum is 34.

The square root of 16811494 is about 4100.1821910740. The cubic root of 16811494 is about 256.1742283207.

The spelling of 16811494 in words is "sixteen million, eight hundred eleven thousand, four hundred ninety-four".