16690968 has 192 divisors, whose sum is σ = 57456000. Its totient is φ = 4463424.

The previous prime is 16690963. The next prime is 16690997. The reversal of 16690968 is 86909661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690963) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201055 + ... + 201137.

It is an arithmetic number, because the mean of its divisors is an integer number (299250).

Almost surely, 2^16690968 is an apocalyptic number.

16690968 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 16690968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28728000).

16690968 is an abundant number, since it is smaller than the sum of its proper divisors (40765032).

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

16690968 is a wasteful number, since it uses less digits than its factorization.

16690968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 16690968 is about 4085.4581138472. The cubic root of 16690968 is about 255.5605661133.

The spelling of 16690968 in words is "sixteen million, six hundred ninety thousand, nine hundred sixty-eight".