16766690206 has 16 divisors (see below), whose sum is σ = 28769366016. Its totient is φ = 7179107256.

The previous prime is 16766690189. The next prime is 16766690207. The reversal of 16766690206 is 60209666761.

It is a super-2 number, since 2×16766690206² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16766690206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16766690207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535666 + ... + 566101.

It is an arithmetic number, because the mean of its divisors is an integer number (1798085376).

Almost surely, 2^16766690206 is an apocalyptic number.

16766690206 is a deficient number, since it is larger than the sum of its proper divisors (12002675810).

16766690206 is a wasteful number, since it uses less digits than its factorization.

16766690206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102863.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 16766690206 in words is "sixteen billion, seven hundred sixty-six million, six hundred ninety thousand, two hundred six".