11867439166 has 8 divisors (see below), whose sum is σ = 19419445944. Its totient is φ = 5394290520.

The previous prime is 11867439137. The next prime is 11867439167. The reversal of 11867439166 is 66193476811.

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

It is a super-2 number, since 2×11867439166² (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 (11867439167) 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, 269714505 + ... + 269714548.

It is an arithmetic number, because the mean of its divisors is an integer number (2427430743).

Almost surely, 2^11867439166 is an apocalyptic number.

11867439166 is a deficient number, since it is larger than the sum of its proper divisors (7552006778).

11867439166 is a wasteful number, since it uses less digits than its factorization.

11867439166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539429066.

The product of its digits is 1306368, while the sum is 52.

The spelling of 11867439166 in words is "eleven billion, eight hundred sixty-seven million, four hundred thirty-nine thousand, one hundred sixty-six".