16371668 has 24 divisors (see below), whose sum is σ = 29347080. Its totient is φ = 7989120.

The previous prime is 16371661. The next prime is 16371679. The reversal of 16371668 is 86617361.

It can be written as a sum of positive squares in 4 ways, for example, as 5626384 + 10745284 = 2372^2 + 3278^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16371661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55730 + ... + 56022.

It is an arithmetic number, because the mean of its divisors is an integer number (1222795).

Almost surely, 2^16371668 is an apocalyptic number.

It is an amenable number.

16371668 is a deficient number, since it is larger than the sum of its proper divisors (12975412).

16371668 is a wasteful number, since it uses less digits than its factorization.

16371668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 16371668 is about 4046.1917898192. The cubic root of 16371668 is about 253.9204289161.

The spelling of 16371668 in words is "sixteen million, three hundred seventy-one thousand, six hundred sixty-eight".