16320779 has 8 divisors (see below), whose sum is σ = 16760832. Its totient is φ = 15883560.

The previous prime is 16320769. The next prime is 16320781. The reversal of 16320779 is 97702361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16320779 - 2⁴ = 16320763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16320719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15974 + ... + 16964.

It is an arithmetic number, because the mean of its divisors is an integer number (2095104).

Almost surely, 2^16320779 is an apocalyptic number.

16320779 is a deficient number, since it is larger than the sum of its proper divisors (440053).

16320779 is an equidigital number, since it uses as much as digits as its factorization.

16320779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 16320779 is about 4039.8983898113. The cubic root of 16320779 is about 253.6570640113.

The spelling of 16320779 in words is "sixteen million, three hundred twenty thousand, seven hundred seventy-nine".