16655670706 has 4 divisors (see below), whose sum is σ = 24983506062. Its totient is φ = 8327835352.

The previous prime is 16655670679. The next prime is 16655670739. The reversal of 16655670706 is 60707655661.

It is a happy number.

16655670706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14790208225 + 1865462481 = 121615^2 + 43191^2 .

It is a super-2 number, since 2×16655670706² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16655670706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4163917675 + ... + 4163917678.

Almost surely, 2^16655670706 is an apocalyptic number.

16655670706 is a deficient number, since it is larger than the sum of its proper divisors (8327835356).

16655670706 is an equidigital number, since it uses as much as digits as its factorization.

16655670706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327835355.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 16655670706 in words is "sixteen billion, six hundred fifty-five million, six hundred seventy thousand, seven hundred six".