11666602201 has 8 divisors (see below), whose sum is σ = 11987127360. Its totient is φ = 11346351408.

The previous prime is 11666602187. The next prime is 11666602253. The reversal of 11666602201 is 10220666611.

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

It is a cyclic number.

It is not a de Polignac number, because 11666602201 - 2⁹ = 11666601689 is a prime.

It is a super-2 number, since 2×11666602201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11666602301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19140 + ... + 153946.

It is an arithmetic number, because the mean of its divisors is an integer number (1498390920).

Almost surely, 2^11666602201 is an apocalyptic number.

It is an amenable number.

11666602201 is a deficient number, since it is larger than the sum of its proper divisors (320525159).

11666602201 is a wasteful number, since it uses less digits than its factorization.

11666602201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137183.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 11666602201 in words is "eleven billion, six hundred sixty-six million, six hundred two thousand, two hundred one".