1196771974566 has 16 divisors (see below), whose sum is σ = 2735478799104. Its totient is φ = 341934849864.

The previous prime is 1196771974561. The next prime is 1196771974579. The reversal of 1196771974566 is 6654791776911.

It is a self number, because there is not a number n which added to its sum of digits gives 1196771974566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1196771974561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14247285370 + ... + 14247285453.

It is an arithmetic number, because the mean of its divisors is an integer number (170967424944).

Almost surely, 2^{1196771974566} is an apocalyptic number.

1196771974566 is an abundant number, since it is smaller than the sum of its proper divisors (1538706824538).

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

1196771974566 is a wasteful number, since it uses less digits than its factorization.

1196771974566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28494570835.

The product of its digits is 120022560, while the sum is 69.

The spelling of 1196771974566 in words is "one trillion, one hundred ninety-six billion, seven hundred seventy-one million, nine hundred seventy-four thousand, five hundred sixty-six".