16466994 has 48 divisors (see below), whose sum is σ = 37326744. Its totient is φ = 5241600.

The previous prime is 16466993. The next prime is 16467001. The reversal of 16466994 is 49966461.

16466994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6066369 + 10400625 = 2463^2 + 3225^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16466993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38904 + ... + 39324.

Almost surely, 2^16466994 is an apocalyptic number.

16466994 is an abundant number, since it is smaller than the sum of its proper divisors (20859750).

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

16466994 is a wasteful number, since it uses less digits than its factorization.

16466994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 520 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 16466994 is about 4057.9544107838. The cubic root of 16466994 is about 254.4123028641.

The spelling of 16466994 in words is "sixteen million, four hundred sixty-six thousand, nine hundred ninety-four".