205055346634 has 16 divisors (see below), whose sum is σ = 308299747968. Its totient is φ = 102288840192.

The previous prime is 205055346611. The next prime is 205055346637. The reversal of 205055346634 is 436643550502.

It is not an unprimeable number, because it can be changed into a prime (205055346637) 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, 6741849 + ... + 6772195.

It is an arithmetic number, because the mean of its divisors is an integer number (19268734248).

Almost surely, 2^205055346634 is an apocalyptic number.

205055346634 is a deficient number, since it is larger than the sum of its proper divisors (103244401334).

205055346634 is a wasteful number, since it uses less digits than its factorization.

205055346634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38109.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 205055346634 in words is "two hundred five billion, fifty-five million, three hundred forty-six thousand, six hundred thirty-four".