6720275266 has 16 divisors (see below), whose sum is σ = 10117312128. Its totient is φ = 3347859600.

The previous prime is 6720275227. The next prime is 6720275293. The reversal of 6720275266 is 6625720276.

It is a super-2 number, since 2×6720275266² = 90324199301622741512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694276 + ... + 703888.

It is an arithmetic number, because the mean of its divisors is an integer number (632332008).

Almost surely, 2^6720275266 is an apocalyptic number.

6720275266 is a deficient number, since it is larger than the sum of its proper divisors (3397036862).

6720275266 is a wasteful number, since it uses less digits than its factorization.

6720275266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10857.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 6720275266 is about 81977.2850611680. The cubic root of 6720275266 is about 1887.1033580596.

The spelling of 6720275266 in words is "six billion, seven hundred twenty million, two hundred seventy-five thousand, two hundred sixty-six".