16464988 has 12 divisors (see below), whose sum is σ = 28842520. Its totient is φ = 8224272.

The previous prime is 16464977. The next prime is 16464989. The reversal of 16464988 is 88946461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16464989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5698 + ... + 8086.

Almost surely, 2^16464988 is an apocalyptic number.

It is an amenable number.

16464988 is a deficient number, since it is larger than the sum of its proper divisors (12377532).

16464988 is a wasteful number, since it uses less digits than its factorization.

16464988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116 (or 4114 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 16464988 is about 4057.7072343874. The cubic root of 16464988 is about 254.4019716565.

The spelling of 16464988 in words is "sixteen million, four hundred sixty-four thousand, nine hundred eighty-eight".