1191741626664 has 96 divisors (see below), whose sum is σ = 3245915673000. Its totient is φ = 395002576896.

The previous prime is 1191741626653. The next prime is 1191741626687. The reversal of 1191741626664 is 4666261471911.

It can be written as a sum of positive squares in 4 ways, for example, as 1094865064164 + 96876562500 = 1046358^2 + 311250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1191741626664.

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, 10472182 + ... + 10585370.

Almost surely, 2^{1191741626664} is an apocalyptic number.

It is an amenable number.

1191741626664 is an abundant number, since it is smaller than the sum of its proper divisors (2054174046336).

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

1191741626664 is a wasteful number, since it uses less digits than its factorization.

1191741626664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114027 (or 114020 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 1191741626664 in words is "one trillion, one hundred ninety-one billion, seven hundred forty-one million, six hundred twenty-six thousand, six hundred sixty-four".