1328196531066 has 8 divisors (see below), whose sum is σ = 2656393062144. Its totient is φ = 442732177020.

The previous prime is 1328196531061. The next prime is 1328196531089. The reversal of 1328196531066 is 6601356918231.

It is a sphenic number, since it is the product of 3 distinct primes.

1328196531066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1328196531061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110683044250 + ... + 110683044261.

It is an arithmetic number, because the mean of its divisors is an integer number (332049132768).

Almost surely, 2^{1328196531066} is an apocalyptic number.

1328196531066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1328196531066 is a wasteful number, since it uses less digits than its factorization.

1328196531066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221366088516.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 1328196531066 in words is "one trillion, three hundred twenty-eight billion, one hundred ninety-six million, five hundred thirty-one thousand, sixty-six".