11667854688 has 96 divisors (see below), whose sum is σ = 35949682944. Its totient is φ = 3243566592.

The previous prime is 11667854687. The next prime is 11667854689. The reversal of 11667854688 is 88645876611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11667854687) and next prime (11667854689).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11667854688² (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 (11667854687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209770 + ... + 259497.

It is an arithmetic number, because the mean of its divisors is an integer number (374475864).

Almost surely, 2^11667854688 is an apocalyptic number.

It is an amenable number.

11667854688 is an abundant number, since it is smaller than the sum of its proper divisors (24281828256).

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

11667854688 is a wasteful number, since it uses less digits than its factorization.

11667854688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469324 (or 469316 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 60.

The spelling of 11667854688 in words is "eleven billion, six hundred sixty-seven million, eight hundred fifty-four thousand, six hundred eighty-eight".