7268212866 has 16 divisors (see below), whose sum is σ = 14555637504. Its totient is φ = 2419535664.

The previous prime is 7268212837. The next prime is 7268212879. The reversal of 7268212866 is 6682128627.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795570 + ... + 804653.

It is an arithmetic number, because the mean of its divisors is an integer number (909727344).

Almost surely, 2^7268212866 is an apocalyptic number.

7268212866 is an abundant number, since it is smaller than the sum of its proper divisors (7287424638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7268212866 is a wasteful number, since it uses less digits than its factorization.

7268212866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600985.

The product of its digits is 774144, while the sum is 48.

The square root of 7268212866 is about 85253.8143780089. The cubic root of 7268212866 is about 1937.0576491692.

The spelling of 7268212866 in words is "seven billion, two hundred sixty-eight million, two hundred twelve thousand, eight hundred sixty-six".