16213694 has 8 divisors (see below), whose sum is σ = 27794928. Its totient is φ = 6948720.

The previous prime is 16213679. The next prime is 16213711. The reversal of 16213694 is 49631261.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16213694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579047 + ... + 579074.

It is an arithmetic number, because the mean of its divisors is an integer number (3474366).

Almost surely, 2^16213694 is an apocalyptic number.

16213694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16213694 is a deficient number, since it is larger than the sum of its proper divisors (11581234).

16213694 is a wasteful number, since it uses less digits than its factorization.

16213694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158130.

The product of its digits is 7776, while the sum is 32.

The square root of 16213694 is about 4026.6231509790. The cubic root of 16213694 is about 253.1010756030.

The spelling of 16213694 in words is "sixteen million, two hundred thirteen thousand, six hundred ninety-four".