16968816 has 30 divisors (see below), whose sum is σ = 47489520. Its totient is φ = 5656224.

The previous prime is 16968773. The next prime is 16968817. The reversal of 16968816 is 61886961.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16968817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58776 + ... + 59063.

It is an arithmetic number, because the mean of its divisors is an integer number (1582984).

Almost surely, 2^16968816 is an apocalyptic number.

16968816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16968816 is an abundant number, since it is smaller than the sum of its proper divisors (30520704).

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

16968816 is a wasteful number, since it uses less digits than its factorization.

16968816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117853 (or 117844 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 16968816 is about 4119.3222743553. The cubic root of 16968816 is about 256.9708415697.

The spelling of 16968816 in words is "sixteen million, nine hundred sixty-eight thousand, eight hundred sixteen".