16796880 has 120 divisors (see below), whose sum is σ = 57886920. Its totient is φ = 4362240.

The previous prime is 16796873. The next prime is 16796909. The reversal of 16796880 is 8869761.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 345744 + 16451136 = 588^2 + 4056^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29236 + ... + 29804.

It is an arithmetic number, because the mean of its divisors is an integer number (482391).

Almost surely, 2^16796880 is an apocalyptic number.

16796880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16796880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28943460).

16796880 is an abundant number, since it is smaller than the sum of its proper divisors (41090040).

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

16796880 is a wasteful number, since it uses less digits than its factorization.

16796880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 16796880 is about 4098.3996876830. The cubic root of 16796880 is about 256.0999772262.

The spelling of 16796880 in words is "sixteen million, seven hundred ninety-six thousand, eight hundred eighty".