16766676 has 30 divisors (see below), whose sum is σ = 43832250. Its totient is φ = 5588784.

The previous prime is 16766671. The next prime is 16766677. The reversal of 16766676 is 67666761.

It can be written as a sum of positive squares in only one way, i.e., 15397776 + 1368900 = 3924^2 + 1170^2 .

It is a super-2 number, since 2×16766676² = 562242848177952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16766671) 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 9 ways as a sum of consecutive naturals, for example, 25551 + ... + 26198.

It is an arithmetic number, because the mean of its divisors is an integer number (1461075).

Almost surely, 2^16766676 is an apocalyptic number.

It is an amenable number.

16766676 is an abundant number, since it is smaller than the sum of its proper divisors (27065574).

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

16766676 is a wasteful number, since it uses less digits than its factorization.

16766676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51765 (or 51754 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 16766676 is about 4094.7131767683. The cubic root of 16766676 is about 255.9463795575.

The spelling of 16766676 in words is "sixteen million, seven hundred sixty-six thousand, six hundred seventy-six".