11665666202 has 8 divisors (see below), whose sum is σ = 17499092256. Its totient is φ = 5832635452.

The previous prime is 11665666183. The next prime is 11665666273. The reversal of 11665666202 is 20266656611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11665666202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8558 + ... + 152985.

It is an arithmetic number, because the mean of its divisors is an integer number (2187386532).

Almost surely, 2^11665666202 is an apocalyptic number.

11665666202 is a deficient number, since it is larger than the sum of its proper divisors (5833426054).

11665666202 is a wasteful number, since it uses less digits than its factorization.

11665666202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197652.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 11665666202 in words is "eleven billion, six hundred sixty-five million, six hundred sixty-six thousand, two hundred two".