1326646056 has 32 divisors (see below), whose sum is σ = 3370989600. Its totient is φ = 434965440.

The previous prime is 1326646007. The next prime is 1326646067. The reversal of 1326646056 is 6506466231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451626 + ... + 454553.

It is an arithmetic number, because the mean of its divisors is an integer number (105343425).

Almost surely, 2^1326646056 is an apocalyptic number.

It is an amenable number.

1326646056 is an abundant number, since it is smaller than the sum of its proper divisors (2044343544).

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

1326646056 is a wasteful number, since it uses less digits than its factorization.

1326646056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906249 (or 906245 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 1326646056 is about 36423.1527465704. The cubic root of 1326646056 is about 1098.7992561538.

The spelling of 1326646056 in words is "one billion, three hundred twenty-six million, six hundred forty-six thousand, fifty-six".