16796881 has 4 divisors (see below), whose sum is σ = 16985700. Its totient is φ = 16608064.

The previous prime is 16796873. The next prime is 16796909. The reversal of 16796881 is 18869761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9096256 + 7700625 = 3016^2 + 2775^2 .

It is a cyclic number.

It is not a de Polignac number, because 16796881 - 2³ = 16796873 is a prime.

It is a super-2 number, since 2×16796881² = 564270422656322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16796821) 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, 94276 + ... + 94453.

It is an arithmetic number, because the mean of its divisors is an integer number (4246425).

Almost surely, 2^16796881 is an apocalyptic number.

It is an amenable number.

16796881 is a deficient number, since it is larger than the sum of its proper divisors (188819).

16796881 is an equidigital number, since it uses as much as digits as its factorization.

16796881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188818.

The product of its digits is 145152, while the sum is 46.

The square root of 16796881 is about 4098.3998096818. The cubic root of 16796881 is about 256.0999823085.

The spelling of 16796881 in words is "sixteen million, seven hundred ninety-six thousand, eight hundred eighty-one".