165850003852 has 48 divisors (see below), whose sum is σ = 316626498720. Its totient is φ = 75556311552.

The previous prime is 165850003831. The next prime is 165850003867. The reversal of 165850003852 is 258300058561.

It is a junction number, because it is equal to n+sod(n) for n = 165850003799 and 165850003808.

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, 1487424 + ... + 1595032.

It is an arithmetic number, because the mean of its divisors is an integer number (6596385390).

Almost surely, 2^165850003852 is an apocalyptic number.

It is an amenable number.

165850003852 is a deficient number, since it is larger than the sum of its proper divisors (150776494868).

165850003852 is a wasteful number, since it uses less digits than its factorization.

165850003852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108010 (or 108008 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 165850003852 in words is "one hundred sixty-five billion, eight hundred fifty million, three thousand, eight hundred fifty-two".