16696656 has 60 divisors (see below), whose sum is σ = 47740992. Its totient is φ = 5444928.

The previous prime is 16696639. The next prime is 16696661. The reversal of 16696656 is 65669661.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5535 + ... + 8001.

Almost surely, 2^16696656 is an apocalyptic number.

16696656 is a gapful number since it is divisible by the number (16) 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 16696656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23870496).

16696656 is an abundant number, since it is smaller than the sum of its proper divisors (31044336).

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

16696656 is a wasteful number, since it uses less digits than its factorization.

16696656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528 (or 2519 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 16696656 is about 4086.1541821131. The cubic root of 16696656 is about 255.5895930579.

The spelling of 16696656 in words is "sixteen million, six hundred ninety-six thousand, six hundred fifty-six".