165166533036 has 36 divisors (see below), whose sum is σ = 417736273864. Its totient is φ = 55024920000.

The previous prime is 165166533023. The next prime is 165166533067. The reversal of 165166533036 is 630335661561.

165166533036 is a `hidden beast` number, since 1 + 6 + 51 + 66 + 533 + 0 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 165166532982 and 165166533000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1208890 + ... + 1338561.

Almost surely, 2^165166533036 is an apocalyptic number.

It is an amenable number.

165166533036 is an abundant number, since it is smaller than the sum of its proper divisors (252569740828).

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

165166533036 is a wasteful number, since it uses less digits than its factorization.

165166533036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549262 (or 2549257 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The spelling of 165166533036 in words is "one hundred sixty-five billion, one hundred sixty-six million, five hundred thirty-three thousand, thirty-six".