16779264 has 48 divisors (see below), whose sum is σ = 44750160. Its totient is φ = 5591040.

The previous prime is 16779253. The next prime is 16779283. The reversal of 16779264 is 46297761.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4779 + ... + 7509.

It is an arithmetic number, because the mean of its divisors is an integer number (932295).

Almost surely, 2^16779264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16779264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22375080).

16779264 is an abundant number, since it is smaller than the sum of its proper divisors (27970896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16779264 is an equidigital number, since it uses as much as digits as its factorization.

16779264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2736 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 16779264 is about 4096.2499923711. The cubic root of 16779264 is about 256.0104162428.

The spelling of 16779264 in words is "sixteen million, seven hundred seventy-nine thousand, two hundred sixty-four".