16495668 has 72 divisors (see below), whose sum is σ = 48414912. Its totient is φ = 4637952.

The previous prime is 16495657. The next prime is 16495679. The reversal of 16495668 is 86659461.

It is an interprime number because it is at equal distance from previous prime (16495657) and next prime (16495679).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16396 + ... + 17372.

Almost surely, 2^16495668 is an apocalyptic number.

16495668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16495668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24207456).

16495668 is an abundant number, since it is smaller than the sum of its proper divisors (31919244).

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

16495668 is a wasteful number, since it uses less digits than its factorization.

16495668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1056 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 16495668 is about 4061.4859349750. The cubic root of 16495668 is about 254.5598867358.

The spelling of 16495668 in words is "sixteen million, four hundred ninety-five thousand, six hundred sixty-eight".