16244964 has 18 divisors (see below), whose sum is σ = 41063750. Its totient is φ = 5414976.

The previous prime is 16244957. The next prime is 16244983. The reversal of 16244964 is 46944261.

16244964 is a `hidden beast` number, since 162 + 4 + 496 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15539364 + 705600 = 3942^2 + 840^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×16244964² = 527797710722592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 451249 = 16244964 / (1 + 6 + 2 + 4 + 4 + 9 + 6 + 4).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225589 + ... + 225660.

Almost surely, 2^16244964 is an apocalyptic number.

It is an amenable number.

16244964 is an abundant number, since it is smaller than the sum of its proper divisors (24818786).

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

16244964 is a wasteful number, since it uses less digits than its factorization.

16244964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451259 (or 451254 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 16244964 is about 4030.5041868233. The cubic root of 16244964 is about 253.2636827606.

The spelling of 16244964 in words is "sixteen million, two hundred forty-four thousand, nine hundred sixty-four".