16451379 has 24 divisors (see below), whose sum is σ = 27302912. Its totient is φ = 9350640.

The previous prime is 16451377. The next prime is 16451387. The reversal of 16451379 is 97315461.

16451379 is a `hidden beast` number, since 1 + 645 + 1 + 3 + 7 + 9 = 666.

It is not a de Polignac number, because 16451379 - 2¹ = 16451377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16451377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13464 + ... + 14634.

Almost surely, 2^16451379 is an apocalyptic number.

16451379 is a deficient number, since it is larger than the sum of its proper divisors (10851533).

16451379 is a wasteful number, since it uses less digits than its factorization.

16451379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1404 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 16451379 is about 4056.0299555107. The cubic root of 16451379 is about 254.3318610528.

The spelling of 16451379 in words is "sixteen million, four hundred fifty-one thousand, three hundred seventy-nine".