204106530678 has 16 divisors (see below), whose sum is σ = 425961455616. Its totient is φ = 65077444520.

The previous prime is 204106530671. The next prime is 204106530689. The reversal of 204106530678 is 876035601402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204106530671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739516278 + ... + 739516553.

It is an arithmetic number, because the mean of its divisors is an integer number (26622590976).

Almost surely, 2^204106530678 is an apocalyptic number.

204106530678 is an abundant number, since it is smaller than the sum of its proper divisors (221854924938).

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

204106530678 is a wasteful number, since it uses less digits than its factorization.

204106530678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479032859.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 204106530678 in words is "two hundred four billion, one hundred six million, five hundred thirty thousand, six hundred seventy-eight".