16740856 has 32 divisors (see below), whose sum is σ = 34415280. Its totient is φ = 7571200.

The previous prime is 16740853. The next prime is 16740907. The reversal of 16740856 is 65804761.

It is a super-2 number, since 2×16740856² = 560512519225472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16740853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24390 + ... + 25066.

Almost surely, 2^16740856 is an apocalyptic number.

It is an amenable number.

16740856 is an abundant number, since it is smaller than the sum of its proper divisors (17674424).

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

16740856 is a wasteful number, since it uses less digits than its factorization.

16740856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 16740856 is about 4091.5591160339. The cubic root of 16740856 is about 255.8149297158.

The spelling of 16740856 in words is "sixteen million, seven hundred forty thousand, eight hundred fifty-six".