2201666116600 has 48 divisors (see below), whose sum is σ = 5119047438120. Its totient is φ = 880636560000.

The previous prime is 2201666116583. The next prime is 2201666116603. The reversal of 2201666116600 is 66116661022.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2201666116600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201666116603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6279534 + ... + 6620866.

Almost surely, 2^{2201666116600} is an apocalyptic number.

2201666116600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201666116600 is an abundant number, since it is smaller than the sum of its proper divisors (2917381321520).

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

2201666116600 is a wasteful number, since it uses less digits than its factorization.

2201666116600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373600 (or 373591 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 2201666116600 in words is "two trillion, two hundred one billion, six hundred sixty-six million, one hundred sixteen thousand, six hundred".