165748852112 has 20 divisors (see below), whose sum is σ = 322516684620. Its totient is φ = 82518739968.

The previous prime is 165748852097. The next prime is 165748852127. The reversal of 165748852112 is 211258847561.

It is an interprime number because it is at equal distance from previous prime (165748852097) and next prime (165748852127).

It can be written as a sum of positive squares in 2 ways, for example, as 95409325456 + 70339526656 = 308884^2 + 265216^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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, 22226537 + ... + 22233992.

It is an arithmetic number, because the mean of its divisors is an integer number (16125834231).

Almost surely, 2^165748852112 is an apocalyptic number.

It is an amenable number.

165748852112 is a deficient number, since it is larger than the sum of its proper divisors (156767832508).

165748852112 is a wasteful number, since it uses less digits than its factorization.

165748852112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44460770 (or 44460764 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 50.

The spelling of 165748852112 in words is "one hundred sixty-five billion, seven hundred forty-eight million, eight hundred fifty-two thousand, one hundred twelve".