11664223848 has 24 divisors (see below), whose sum is σ = 31590606450. Its totient is φ = 3888074592.

The previous prime is 11664223771. The next prime is 11664223859. The reversal of 11664223848 is 84832246611.

It can be written as a sum of positive squares in only one way, i.e., 11104522884 + 559700964 = 105378^2 + 23658^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81001483 + ... + 81001626.

Almost surely, 2^11664223848 is an apocalyptic number.

11664223848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11664223848 is an abundant number, since it is smaller than the sum of its proper divisors (19926382602).

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

11664223848 is a wasteful number, since it uses less digits than its factorization.

11664223848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162003121 (or 162003114 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 11664223848 in words is "eleven billion, six hundred sixty-four million, two hundred twenty-three thousand, eight hundred forty-eight".