200644260606 has 48 divisors (see below), whose sum is σ = 435968795808. Its totient is φ = 66690993600.

The previous prime is 200644260581. The next prime is 200644260631. The reversal of 200644260606 is 606062446002.

200644260606 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 4 + 42 + 6 + 0 + 606 = 666.

It is an interprime number because it is at equal distance from previous prime (200644260581) and next prime (200644260631).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9314160 + ... + 9335676.

It is an arithmetic number, because the mean of its divisors is an integer number (9082683246).

Almost surely, 2^200644260606 is an apocalyptic number.

200644260606 is an abundant number, since it is smaller than the sum of its proper divisors (235324535202).

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

200644260606 is a wasteful number, since it uses less digits than its factorization.

200644260606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22977 (or 22974 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 200644260606 in words is "two hundred billion, six hundred forty-four million, two hundred sixty thousand, six hundred six".