6726350066 has 4 divisors (see below), whose sum is σ = 10089525102. Its totient is φ = 3363175032.

The previous prime is 6726350053. The next prime is 6726350083. The reversal of 6726350066 is 6600536276.

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., 6343326025 + 383024041 = 79645^2 + 19571^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1681587515 + ... + 1681587518.

Almost surely, 2^6726350066 is an apocalyptic number.

6726350066 is a deficient number, since it is larger than the sum of its proper divisors (3363175036).

6726350066 is a wasteful number, since it uses less digits than its factorization.

6726350066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363175035.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 6726350066 is about 82014.3284188806. The cubic root of 6726350066 is about 1887.6718031767.

The spelling of 6726350066 in words is "six billion, seven hundred twenty-six million, three hundred fifty thousand, sixty-six".