205162113504 has 48 divisors (see below), whose sum is σ = 538791644160. Its totient is φ = 68356755840.

The previous prime is 205162113491. The next prime is 205162113547. The reversal of 205162113504 is 405311261502.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262302 + ... + 692189.

It is an arithmetic number, because the mean of its divisors is an integer number (11224825920).

Almost surely, 2^205162113504 is an apocalyptic number.

205162113504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

205162113504 is an abundant number, since it is smaller than the sum of its proper divisors (333629530656).

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

205162113504 is a wasteful number, since it uses less digits than its factorization.

205162113504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956743 (or 956735 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 205162113504 in words is "two hundred five billion, one hundred sixty-two million, one hundred thirteen thousand, five hundred four".