16466980 has 12 divisors (see below), whose sum is σ = 34580700. Its totient is φ = 6586784.

The previous prime is 16466969. The next prime is 16466981. The reversal of 16466980 is 8966461.

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 12687844 = 1944^2 + 3562^2 .

It is a super-2 number, since 2×16466980² = 542322860640800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16466981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411655 + ... + 411694.

It is an arithmetic number, because the mean of its divisors is an integer number (2881725).

Almost surely, 2^16466980 is an apocalyptic number.

16466980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16466980 is an abundant number, since it is smaller than the sum of its proper divisors (18113720).

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

16466980 is a wasteful number, since it uses less digits than its factorization.

16466980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823358 (or 823356 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 16466980 is about 4057.9526857764. The cubic root of 16466980 is about 254.4122307649.

The spelling of 16466980 in words is "sixteen million, four hundred sixty-six thousand, nine hundred eighty".