11666616222232 has 8 divisors (see below), whose sum is σ = 21874905416700. Its totient is φ = 5833308111112.

The previous prime is 11666616222199. The next prime is 11666616222241. The reversal of 11666616222232 is 23222261666611.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11666616222232² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729163513882 + ... + 729163513897.

Almost surely, 2^{11666616222232} is an apocalyptic number.

It is an amenable number.

11666616222232 is a deficient number, since it is larger than the sum of its proper divisors (10208289194468).

11666616222232 is a wasteful number, since it uses less digits than its factorization.

11666616222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458327027785 (or 1458327027781 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

Adding to 11666616222232 its reverse (23222261666611), we get a palindrome (34888877888843).

The spelling of 11666616222232 in words is "eleven trillion, six hundred sixty-six billion, six hundred sixteen million, two hundred twenty-two thousand, two hundred thirty-two".