16317379 has 4 divisors (see below), whose sum is σ = 17572576. Its totient is φ = 15062184.

The previous prime is 16317361. The next prime is 16317391. The reversal of 16317379 is 97371361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97371361 = 3469 ⋅28069.

It is a cyclic number.

It is not a de Polignac number, because 16317379 - 2⁵ = 16317347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16317079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627579 + ... + 627604.

It is an arithmetic number, because the mean of its divisors is an integer number (4393144).

Almost surely, 2^16317379 is an apocalyptic number.

16317379 is a deficient number, since it is larger than the sum of its proper divisors (1255197).

16317379 is a wasteful number, since it uses less digits than its factorization.

16317379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255196.

The product of its digits is 23814, while the sum is 37.

The square root of 16317379 is about 4039.4775652304. The cubic root of 16317379 is about 253.6394485549.

The spelling of 16317379 in words is "sixteen million, three hundred seventeen thousand, three hundred seventy-nine".