16379709 has 4 divisors (see below), whose sum is σ = 21839616. Its totient is φ = 10919804.

The previous prime is 16379681. The next prime is 16379723. The reversal of 16379709 is 90797361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16379709 - 2⁵ = 16379677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16379509) 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, 2729949 + ... + 2729954.

It is an arithmetic number, because the mean of its divisors is an integer number (5459904).

Almost surely, 2^16379709 is an apocalyptic number.

It is an amenable number.

16379709 is a deficient number, since it is larger than the sum of its proper divisors (5459907).

16379709 is an equidigital number, since it uses as much as digits as its factorization.

16379709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459906.

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 16379709 is about 4047.1853182181. The cubic root of 16379709 is about 253.9619934039.

The spelling of 16379709 in words is "sixteen million, three hundred seventy-nine thousand, seven hundred nine".