16779080 has 16 divisors (see below), whose sum is σ = 37753020. Its totient is φ = 6711616.

The previous prime is 16779053. The next prime is 16779151. The reversal of 16779080 is 8097761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16630084 + 148996 = 4078^2 + 386^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209699 + ... + 209778.

Almost surely, 2^16779080 is an apocalyptic number.

16779080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16779080 is an abundant number, since it is smaller than the sum of its proper divisors (20973940).

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

16779080 is a wasteful number, since it uses less digits than its factorization.

16779080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419488 (or 419484 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 16779080 is about 4096.2275327428. The cubic root of 16779080 is about 256.0094804432.

The spelling of 16779080 in words is "sixteen million, seven hundred seventy-nine thousand, eighty".