16344825 has 48 divisors (see below), whose sum is σ = 31236096. Its totient is φ = 7387200.

The previous prime is 16344821. The next prime is 16344827. The reversal of 16344825 is 52844361.

It is not a de Polignac number, because 16344825 - 2² = 16344821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16344821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85480 + ... + 85670.

It is an arithmetic number, because the mean of its divisors is an integer number (650752).

Almost surely, 2^16344825 is an apocalyptic number.

16344825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16344825 is a deficient number, since it is larger than the sum of its proper divisors (14891271).

16344825 is a wasteful number, since it uses less digits than its factorization.

16344825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 369 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 16344825 is about 4042.8733593819. The cubic root of 16344825 is about 253.7815769548.

The spelling of 16344825 in words is "sixteen million, three hundred forty-four thousand, eight hundred twenty-five".