201100560678 has 64 divisors (see below), whose sum is σ = 448879504320. Its totient is φ = 66735415296.

The previous prime is 201100560671. The next prime is 201100560679. The reversal of 201100560678 is 876065001102.

201100560678 is a `hidden beast` number, since 20 + 1 + 1 + 0 + 0 + 560 + 6 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100560671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37148700 + ... + 37154112.

It is an arithmetic number, because the mean of its divisors is an integer number (7013742255).

Almost surely, 2^201100560678 is an apocalyptic number.

201100560678 is an abundant number, since it is smaller than the sum of its proper divisors (247778943642).

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

201100560678 is a wasteful number, since it uses less digits than its factorization.

201100560678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358 (or 8352 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 201100560678 in words is "two hundred one billion, one hundred million, five hundred sixty thousand, six hundred seventy-eight".