11666850782 has 16 divisors (see below), whose sum is σ = 18680803200. Its totient is φ = 5448565080.

The previous prime is 11666850751. The next prime is 11666850787. The reversal of 11666850782 is 28705866611.

It is a super-2 number, since 2×11666850782² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11666850782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666850787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159432 + ... + 2164827.

It is an arithmetic number, because the mean of its divisors is an integer number (1167550200).

Almost surely, 2^11666850782 is an apocalyptic number.

11666850782 is a deficient number, since it is larger than the sum of its proper divisors (7013952418).

11666850782 is a wasteful number, since it uses less digits than its factorization.

11666850782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324351.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 11666850782 in words is "eleven billion, six hundred sixty-six million, eight hundred fifty thousand, seven hundred eighty-two".