16344549 has 12 divisors (see below), whose sum is σ = 25425036. Its totient is φ = 10058112.

The previous prime is 16344539. The next prime is 16344551. The reversal of 16344549 is 94544361.

It can be written as a sum of positive squares in 2 ways, for example, as 6796449 + 9548100 = 2607^2 + 3090^2 .

It is not a de Polignac number, because 16344549 - 2¹³ = 16336357 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16344539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69732 + ... + 69965.

It is an arithmetic number, because the mean of its divisors is an integer number (2118753).

Almost surely, 2^16344549 is an apocalyptic number.

It is an amenable number.

16344549 is a deficient number, since it is larger than the sum of its proper divisors (9080487).

16344549 is a wasteful number, since it uses less digits than its factorization.

16344549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139716 (or 139713 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 16344549 is about 4042.8392250991. The cubic root of 16344549 is about 253.7801484882.

The spelling of 16344549 in words is "sixteen million, three hundred forty-four thousand, five hundred forty-nine".