16432693 has 8 divisors (see below), whose sum is σ = 17596440. Its totient is φ = 15290880.

The previous prime is 16432681. The next prime is 16432709. The reversal of 16432693 is 39623461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1633284 + 14799409 = 1278^2 + 3847^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16432693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918 + ... + 6943.

It is an arithmetic number, because the mean of its divisors is an integer number (2199555).

Almost surely, 2^16432693 is an apocalyptic number.

It is an amenable number.

16432693 is a deficient number, since it is larger than the sum of its proper divisors (1163747).

16432693 is a wasteful number, since it uses less digits than its factorization.

16432693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10967.

The product of its digits is 23328, while the sum is 34.

The square root of 16432693 is about 4053.7258170725. The cubic root of 16432693 is about 254.2355318309.

The spelling of 16432693 in words is "sixteen million, four hundred thirty-two thousand, six hundred ninety-three".