16660344 has 32 divisors (see below), whose sum is σ = 41771520. Its totient is φ = 5537376.

The previous prime is 16660337. The next prime is 16660351. The reversal of 16660344 is 44306661.

It is an interprime number because it is at equal distance from previous prime (16660337) and next prime (16660351).

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, 9849 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (1305360).

Almost surely, 2^16660344 is an apocalyptic number.

It is an amenable number.

16660344 is an abundant number, since it is smaller than the sum of its proper divisors (25111176).

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

16660344 is a wasteful number, since it uses less digits than its factorization.

16660344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 16660344 is about 4081.7084658265. The cubic root of 16660344 is about 255.4041725851.

The spelling of 16660344 in words is "sixteen million, six hundred sixty thousand, three hundred forty-four".