165704044936 has 32 divisors (see below), whose sum is σ = 321523992000. Its totient is φ = 79966363456.

The previous prime is 165704044921. The next prime is 165704044949. The reversal of 165704044936 is 639440407561.

It is a self number, because there is not a number n which added to its sum of digits gives 165704044936.

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, 527325 + ... + 780691.

It is an arithmetic number, because the mean of its divisors is an integer number (10047624750).

Almost surely, 2^165704044936 is an apocalyptic number.

It is an amenable number.

165704044936 is a deficient number, since it is larger than the sum of its proper divisors (155819947064).

165704044936 is a wasteful number, since it uses less digits than its factorization.

165704044936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256221 (or 256217 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 165704044936 in words is "one hundred sixty-five billion, seven hundred four million, forty-four thousand, nine hundred thirty-six".