1167869631866 has 16 divisors (see below), whose sum is σ = 2003403227904. Its totient is φ = 500180306064.

The previous prime is 1167869631857. The next prime is 1167869631917. The reversal of 1167869631866 is 6681369687611.

It is a junction number, because it is equal to n+sod(n) for n = 1167869631796 and 1167869631805.

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, 27915890 + ... + 27957693.

It is an arithmetic number, because the mean of its divisors is an integer number (125212701744).

Almost surely, 2^{1167869631866} is an apocalyptic number.

1167869631866 is a deficient number, since it is larger than the sum of its proper divisors (835533596038).

1167869631866 is a wasteful number, since it uses less digits than its factorization.

1167869631866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55875085.

The product of its digits is 94058496, while the sum is 68.

The spelling of 1167869631866 in words is "one trillion, one hundred sixty-seven billion, eight hundred sixty-nine million, six hundred thirty-one thousand, eight hundred sixty-six".