200556261684 has 24 divisors (see below), whose sum is σ = 519960678720. Its totient is φ = 66852087192.

The previous prime is 200556261679. The next prime is 200556261713. The reversal of 200556261684 is 486162655002.

200556261684 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 5 + 626 + 16 + 8 + 4 = 666.

It is a super-2 number, since 2×200556261684² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928501104 + ... + 928501319.

It is an arithmetic number, because the mean of its divisors is an integer number (21665028280).

Almost surely, 2^200556261684 is an apocalyptic number.

It is an amenable number.

200556261684 is an abundant number, since it is smaller than the sum of its proper divisors (319404417036).

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

200556261684 is a wasteful number, since it uses less digits than its factorization.

200556261684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857002436 (or 1857002428 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 200556261684 in words is "two hundred billion, five hundred fifty-six million, two hundred sixty-one thousand, six hundred eighty-four".