16364844 has 18 divisors (see below), whose sum is σ = 41366780. Its totient is φ = 5454936.

The previous prime is 16364837. The next prime is 16364849. The reversal of 16364844 is 44846361.

16364844 is a `hidden beast` number, since 1 + 6 + 3 + 648 + 4 + 4 = 666.

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

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: 454579 = 16364844 / (1 + 6 + 3 + 6 + 4 + 8 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 16364799 and 16364808.

It is not an unprimeable number, because it can be changed into a prime (16364849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227254 + ... + 227325.

Almost surely, 2^16364844 is an apocalyptic number.

It is an amenable number.

16364844 is an abundant number, since it is smaller than the sum of its proper divisors (25001936).

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

16364844 is a wasteful number, since it uses less digits than its factorization.

16364844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454589 (or 454584 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 16364844 is about 4045.3484398751. The cubic root of 16364844 is about 253.8851445087.

The spelling of 16364844 in words is "sixteen million, three hundred sixty-four thousand, eight hundred forty-four".