16731379 has 4 divisors (see below), whose sum is σ = 19121584. Its totient is φ = 14341176.

The previous prime is 16731371. The next prime is 16731401. The reversal of 16731379 is 97313761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97313761 = 139 ⋅700099.

It is a cyclic number.

It is not a de Polignac number, because 16731379 - 2³ = 16731371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16731371) by changing a digit.

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, 1195092 + ... + 1195105.

It is an arithmetic number, because the mean of its divisors is an integer number (4780396).

Almost surely, 2^16731379 is an apocalyptic number.

16731379 is a deficient number, since it is larger than the sum of its proper divisors (2390205).

16731379 is an equidigital number, since it uses as much as digits as its factorization.

16731379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390204.

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

The square root of 16731379 is about 4090.4008361040. The cubic root of 16731379 is about 255.7666483195.

The spelling of 16731379 in words is "sixteen million, seven hundred thirty-one thousand, three hundred seventy-nine".