16690766 has 8 divisors (see below), whose sum is σ = 25058424. Its totient is φ = 8337960.

The previous prime is 16690763. The next prime is 16690771. The reversal of 16690766 is 66709661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (3132303).

Almost surely, 2^16690766 is an apocalyptic number.

16690766 is a deficient number, since it is larger than the sum of its proper divisors (8367658).

16690766 is a wasteful number, since it uses less digits than its factorization.

16690766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 16690766 is about 4085.4333919426. The cubic root of 16690766 is about 255.5595351477.

The spelling of 16690766 in words is "sixteen million, six hundred ninety thousand, seven hundred sixty-six".