11667633549568 has 36 divisors (see below), whose sum is σ = 23296658818048. Its totient is φ = 5832071262720.

The previous prime is 11667633549563. The next prime is 11667633549569. The reversal of 11667633549568 is 86594533676611.

It is a super-2 number, since 2×11667633549568² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11667633549497 and 11667633549506.

It is not an unprimeable number, because it can be changed into a prime (11667633549563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960928 + ... + 7672543.

Almost surely, 2^{11667633549568} is an apocalyptic number.

It is an amenable number.

11667633549568 is a deficient number, since it is larger than the sum of its proper divisors (11629025268480).

11667633549568 is an equidigital number, since it uses as much as digits as its factorization.

11667633549568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13636830 (or 13636816 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 70.

The spelling of 11667633549568 in words is "eleven trillion, six hundred sixty-seven billion, six hundred thirty-three million, five hundred forty-nine thousand, five hundred sixty-eight".