207422694666 has 36 divisors (see below), whose sum is σ = 493986009426. Its totient is φ = 62855361360.

The previous prime is 207422694659. The next prime is 207422694679. The reversal of 207422694666 is 666496224702.

It can be written as a sum of positive squares in only one way, i.e., 206278564041 + 1144130625 = 454179^2 + 33825^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47615521 + ... + 47619876.

Almost surely, 2^207422694666 is an apocalyptic number.

207422694666 is an abundant number, since it is smaller than the sum of its proper divisors (286563314760).

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

207422694666 is a wasteful number, since it uses less digits than its factorization.

207422694666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95235427 (or 95235413 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 207422694666 in words is "two hundred seven billion, four hundred twenty-two million, six hundred ninety-four thousand, six hundred sixty-six".