16920768 has 28 divisors (see below), whose sum is σ = 44770040. Its totient is φ = 5640192.

The previous prime is 16920751. The next prime is 16920793. The reversal of 16920768 is 86702961.

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, 43873 + ... + 44256.

It is an arithmetic number, because the mean of its divisors is an integer number (1598930).

Almost surely, 2^16920768 is an apocalyptic number.

It is an amenable number.

16920768 is an abundant number, since it is smaller than the sum of its proper divisors (27849272).

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

16920768 is an equidigital number, since it uses as much as digits as its factorization.

16920768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88144 (or 88134 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 16920768 is about 4113.4861127759. The cubic root of 16920768 is about 256.7280706145.

The spelling of 16920768 in words is "sixteen million, nine hundred twenty thousand, seven hundred sixty-eight".