11668331982 has 8 divisors (see below), whose sum is σ = 23336663976. Its totient is φ = 3889443992.

The previous prime is 11668331957. The next prime is 11668331989. The reversal of 11668331982 is 28913386611.

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

11668331982 is an admirable number.

It is a super-2 number, since 2×11668331982² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11668331989) 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, 972360993 + ... + 972361004.

It is an arithmetic number, because the mean of its divisors is an integer number (2917082997).

Almost surely, 2^11668331982 is an apocalyptic number.

11668331982 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.

11668331982 is a wasteful number, since it uses less digits than its factorization.

11668331982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944722002.

The product of its digits is 373248, while the sum is 48.

The spelling of 11668331982 in words is "eleven billion, six hundred sixty-eight million, three hundred thirty-one thousand, nine hundred eighty-two".