16766330 has 24 divisors (see below), whose sum is σ = 35107668. Its totient is φ = 5748288.

The previous prime is 16766327. The next prime is 16766359. The reversal of 16766330 is 3366761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15976009 + 790321 = 3997^2 + 889^2 .

It is a super-2 number, since 2×16766330² = 562219643337800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16619 + ... + 17598.

Almost surely, 2^16766330 is an apocalyptic number.

16766330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16766330 is an abundant number, since it is smaller than the sum of its proper divisors (18341338).

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

16766330 is a wasteful number, since it uses less digits than its factorization.

16766330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34238 (or 34231 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 16766330 is about 4094.6709269488. The cubic root of 16766330 is about 255.9446189609.

The spelling of 16766330 in words is "sixteen million, seven hundred sixty-six thousand, three hundred thirty".