205794581516 has 12 divisors (see below), whose sum is σ = 379095281880. Its totient is φ = 97481643840.

The previous prime is 205794581471. The next prime is 205794581527. The reversal of 205794581516 is 615185497502.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1353911645 + ... + 1353911796.

It is an arithmetic number, because the mean of its divisors is an integer number (31591273490).

Almost surely, 2^205794581516 is an apocalyptic number.

It is an amenable number.

205794581516 is a deficient number, since it is larger than the sum of its proper divisors (173300700364).

205794581516 is a wasteful number, since it uses less digits than its factorization.

205794581516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707823464 (or 2707823462 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 53.

The spelling of 205794581516 in words is "two hundred five billion, seven hundred ninety-four million, five hundred eighty-one thousand, five hundred sixteen".