16613379 has 6 divisors (see below), whose sum is σ = 23997116. Its totient is φ = 11075580.

The previous prime is 16613347. The next prime is 16613431. The reversal of 16613379 is 97331661.

16613379 is a `hidden beast` number, since 1 + 6 + 613 + 37 + 9 = 666.

It is not a de Polignac number, because 16613379 - 2⁵ = 16613347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16613479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 922957 + ... + 922974.

Almost surely, 2^16613379 is an apocalyptic number.

16613379 is a deficient number, since it is larger than the sum of its proper divisors (7383737).

16613379 is a wasteful number, since it uses less digits than its factorization.

16613379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845937 (or 1845934 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 16613379 is about 4075.9513000035. The cubic root of 16613379 is about 255.1639545383.

The spelling of 16613379 in words is "sixteen million, six hundred thirteen thousand, three hundred seventy-nine".