2206660687364 has 48 divisors (see below), whose sum is σ = 4441263044736. Its totient is φ = 939726489600.

The previous prime is 2206660687351. The next prime is 2206660687367. The reversal of 2206660687364 is 4637860666022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2206660687367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24788294 + ... + 24877154.

It is an arithmetic number, because the mean of its divisors is an integer number (92526313432).

Almost surely, 2^{2206660687364} is an apocalyptic number.

It is an amenable number.

2206660687364 is an abundant number, since it is smaller than the sum of its proper divisors (2234602357372).

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

2206660687364 is a wasteful number, since it uses less digits than its factorization.

2206660687364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94476 (or 94474 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 56.

The spelling of 2206660687364 in words is "two trillion, two hundred six billion, six hundred sixty million, six hundred eighty-seven thousand, three hundred sixty-four".