16766340 has 48 divisors (see below), whose sum is σ = 47419008. Its totient is φ = 4425984.

The previous prime is 16766327. The next prime is 16766359. The reversal of 16766340 is 4366761.

It is a super-2 number, since 2×16766340² = 562220313991200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4824 + ... + 7536.

It is an arithmetic number, because the mean of its divisors is an integer number (987896).

Almost surely, 2^16766340 is an apocalyptic number.

16766340 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 16766340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23709504).

16766340 is an abundant number, since it is smaller than the sum of its proper divisors (30652668).

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

16766340 is a wasteful number, since it uses less digits than its factorization.

16766340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 16766340 is about 4094.6721480480. The cubic root of 16766340 is about 255.9446698456.

The spelling of 16766340 in words is "sixteen million, seven hundred sixty-six thousand, three hundred forty".