205156163036 has 12 divisors (see below), whose sum is σ = 391661765880. Its totient is φ = 93252801360.

The previous prime is 205156163011. The next prime is 205156163087. The reversal of 205156163036 is 630361651502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331319991 + ... + 2331320078.

It is an arithmetic number, because the mean of its divisors is an integer number (32638480490).

Almost surely, 2^205156163036 is an apocalyptic number.

It is an amenable number.

205156163036 is a deficient number, since it is larger than the sum of its proper divisors (186505602844).

205156163036 is a wasteful number, since it uses less digits than its factorization.

205156163036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662640084 (or 4662640082 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 205156163036 in words is "two hundred five billion, one hundred fifty-six million, one hundred sixty-three thousand, thirty-six".