16766334 has 48 divisors (see below), whose sum is σ = 39482352. Its totient is φ = 5111424.

The previous prime is 16766327. The next prime is 16766359. The reversal of 16766334 is 43366761.

It is a happy number.

16766334 is a `hidden beast` number, since 16 + 7 + 6 + 633 + 4 = 666.

It is a super-2 number, since 2×16766334² = 562219911599112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31797 + ... + 32319.

It is an arithmetic number, because the mean of its divisors is an integer number (822549).

Almost surely, 2^16766334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16766334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19741176).

16766334 is an abundant number, since it is smaller than the sum of its proper divisors (22716018).

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

16766334 is a wasteful number, since it uses less digits than its factorization.

16766334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 678 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 16766334 is about 4094.6714153885. The cubic root of 16766334 is about 255.9446393148.

The spelling of 16766334 in words is "sixteen million, seven hundred sixty-six thousand, three hundred thirty-four".