1326666360522 has 16 divisors (see below), whose sum is σ = 2653345251360. Its totient is φ = 442220031792.

The previous prime is 1326666360493. The next prime is 1326666360563. The reversal of 1326666360522 is 2250636666231.

It is a happy number.

It is a super-2 number, since 2×1326666360522² (a number of 25 digits) contains 22 as substring.

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, 1396828 + ... + 2145800.

It is an arithmetic number, because the mean of its divisors is an integer number (165834078210).

Almost surely, 2^{1326666360522} is an apocalyptic number.

1326666360522 is an abundant number, since it is smaller than the sum of its proper divisors (1326678890838).

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

1326666360522 is a wasteful number, since it uses less digits than its factorization.

1326666360522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044197.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 1326666360522 in words is "one trillion, three hundred twenty-six billion, six hundred sixty-six million, three hundred sixty thousand, five hundred twenty-two".