206453666264 has 16 divisors (see below), whose sum is σ = 391091353800. Its totient is φ = 102162638592.

The previous prime is 206453666249. The next prime is 206453666269. The reversal of 206453666264 is 462666354602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206453666269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133023494 + ... + 133025045.

Almost surely, 2^206453666264 is an apocalyptic number.

It is an amenable number.

206453666264 is a deficient number, since it is larger than the sum of its proper divisors (184637687536).

206453666264 is a wasteful number, since it uses less digits than its factorization.

206453666264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266048642 (or 266048638 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 50.

The spelling of 206453666264 in words is "two hundred six billion, four hundred fifty-three million, six hundred sixty-six thousand, two hundred sixty-four".