16345044 has 24 divisors (see below), whose sum is σ = 42376320. Its totient is φ = 5448312.

The previous prime is 16345039. The next prime is 16345051. The reversal of 16345044 is 44054361.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16344999 and 16345017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75564 + ... + 75779.

It is an arithmetic number, because the mean of its divisors is an integer number (1765680).

Almost surely, 2^16345044 is an apocalyptic number.

It is an amenable number.

16345044 is an abundant number, since it is smaller than the sum of its proper divisors (26031276).

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

16345044 is a wasteful number, since it uses less digits than its factorization.

16345044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151356 (or 151348 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 16345044 is about 4042.9004439882. The cubic root of 16345044 is about 253.7827104005.

The spelling of 16345044 in words is "sixteen million, three hundred forty-five thousand, forty-four".