165283715536 has 20 divisors (see below), whose sum is σ = 320851873764. Its totient is φ = 82483232000.

The previous prime is 165283715507. The next prime is 165283715579. The reversal of 165283715536 is 635517382561.

It can be written as a sum of positive squares in 2 ways, for example, as 92868905536 + 72414810000 = 304744^2 + 269100^2 .

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, 9905515 + ... + 9922186.

Almost surely, 2^165283715536 is an apocalyptic number.

165283715536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165283715536 is a deficient number, since it is larger than the sum of its proper divisors (155568158228).

165283715536 is a wasteful number, since it uses less digits than its factorization.

165283715536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19828230 (or 19828224 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 52.

The spelling of 165283715536 in words is "one hundred sixty-five billion, two hundred eighty-three million, seven hundred fifteen thousand, five hundred thirty-six".