11682161166 has 24 divisors (see below), whose sum is σ = 25299830520. Its totient is φ = 3594510816.

The previous prime is 11682161131. The next prime is 11682161203. The reversal of 11682161166 is 66116128611.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5759421 + ... + 5761448.

It is an arithmetic number, because the mean of its divisors is an integer number (1054159605).

Almost surely, 2^11682161166 is an apocalyptic number.

11682161166 is an abundant number, since it is smaller than the sum of its proper divisors (13617669354).

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

11682161166 is a wasteful number, since it uses less digits than its factorization.

11682161166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520900 (or 11520887 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

Adding to 11682161166 its reverse (66116128611), we get a palindrome (77798289777).

The spelling of 11682161166 in words is "eleven billion, six hundred eighty-two million, one hundred sixty-one thousand, one hundred sixty-six".