165173816248 has 64 divisors (see below), whose sum is σ = 356282784000. Its totient is φ = 70321416192.

The previous prime is 165173816237. The next prime is 165173816281. The reversal of 165173816248 is 842618371561.

It is a junction number, because it is equal to n+sod(n) for n = 165173816195 and 165173816204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38508888 + ... + 38513176.

It is an arithmetic number, because the mean of its divisors is an integer number (5566918500).

Almost surely, 2^165173816248 is an apocalyptic number.

It is an amenable number.

165173816248 is an abundant number, since it is smaller than the sum of its proper divisors (191108967752).

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

165173816248 is a wasteful number, since it uses less digits than its factorization.

165173816248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684 (or 8680 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The spelling of 165173816248 in words is "one hundred sixty-five billion, one hundred seventy-three million, eight hundred sixteen thousand, two hundred forty-eight".