11666606066016 has 96 divisors (see below), whose sum is σ = 33879465720576. Its totient is φ = 3485541696000.

The previous prime is 11666606065981. The next prime is 11666606066117. The reversal of 11666606066016 is 61066060666611.

It is a happy number.

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

It is a super-2 number, since 2×11666606066016² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11666606066016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77727295 + ... + 77877246.

It is an arithmetic number, because the mean of its divisors is an integer number (352911101256).

Almost surely, 2^{11666606066016} is an apocalyptic number.

11666606066016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11666606066016 is an abundant number, since it is smaller than the sum of its proper divisors (22212859654560).

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

11666606066016 is a wasteful number, since it uses less digits than its factorization.

11666606066016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155604636 (or 155604628 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 11666606066016 in words is "eleven trillion, six hundred sixty-six billion, six hundred six million, sixty-six thousand, sixteen".