16645379 has 8 divisors (see below), whose sum is σ = 17218560. Its totient is φ = 16081416.

The previous prime is 16645367. The next prime is 16645411. The reversal of 16645379 is 97354661.

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-16645379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16645319) 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, 1472 + ... + 5954.

It is an arithmetic number, because the mean of its divisors is an integer number (2152320).

Almost surely, 2^16645379 is an apocalyptic number.

16645379 is a deficient number, since it is larger than the sum of its proper divisors (573181).

16645379 is an equidigital number, since it uses as much as digits as its factorization.

16645379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609.

The product of its digits is 136080, while the sum is 41.

The square root of 16645379 is about 4079.8748755323. The cubic root of 16645379 is about 255.3276781980.

The spelling of 16645379 in words is "sixteen million, six hundred forty-five thousand, three hundred seventy-nine".