205110061662 has 64 divisors (see below), whose sum is σ = 472691957760. Its totient is φ = 58750725600.

The previous prime is 205110061661. The next prime is 205110061669. The reversal of 205110061662 is 266160011502.

205110061662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205110061661) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1077712 + ... + 1253667.

It is an arithmetic number, because the mean of its divisors is an integer number (7385811840).

Almost surely, 2^205110061662 is an apocalyptic number.

205110061662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

205110061662 is an abundant number, since it is smaller than the sum of its proper divisors (267581896098).

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

205110061662 is a wasteful number, since it uses less digits than its factorization.

205110061662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331469.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 205110061662 in words is "two hundred five billion, one hundred ten million, sixty-one thousand, six hundred sixty-two".