6466226256 has 120 divisors (see below), whose sum is σ = 21580940160. Its totient is φ = 1767161088.

The previous prime is 6466226237. The next prime is 6466226269. The reversal of 6466226256 is 6526226646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116271 + ... + 162638.

It is an arithmetic number, because the mean of its divisors is an integer number (179841168).

Almost surely, 2^6466226256 is an apocalyptic number.

It is an amenable number.

6466226256 is an abundant number, since it is smaller than the sum of its proper divisors (15114713904).

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

6466226256 is a wasteful number, since it uses less digits than its factorization.

6466226256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278953 (or 278944 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 6466226256 is about 80412.8488240530. The cubic root of 6466226256 is about 1863.0176336774.

The spelling of 6466226256 in words is "six billion, four hundred sixty-six million, two hundred twenty-six thousand, two hundred fifty-six".