206077339650 has 384 divisors, whose sum is σ = 668273227776. Its totient is φ = 40783564800.

The previous prime is 206077339621. The next prime is 206077339661. The reversal of 206077339650 is 56933770602.

206077339650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 206077339650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 76807209 + ... + 76809891.

It is an arithmetic number, because the mean of its divisors is an integer number (1740294864).

Almost surely, 2^206077339650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206077339650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334136613888).

206077339650 is an abundant number, since it is smaller than the sum of its proper divisors (462195888126).

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

206077339650 is a wasteful number, since it uses less digits than its factorization.

206077339650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 48.

The spelling of 206077339650 in words is "two hundred six billion, seventy-seven million, three hundred thirty-nine thousand, six hundred fifty".