165428622936 has 24 divisors (see below), whose sum is σ = 448035853980. Its totient is φ = 55142874288.

The previous prime is 165428622907. The next prime is 165428622959. The reversal of 165428622936 is 639226824561.

165428622936 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 2 + 8 + 622 + 9 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1148809810 + ... + 1148809953.

Almost surely, 2^165428622936 is an apocalyptic number.

It is an amenable number.

165428622936 is an abundant number, since it is smaller than the sum of its proper divisors (282607231044).

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

165428622936 is a wasteful number, since it uses less digits than its factorization.

165428622936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297619775 (or 2297619768 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 165428622936 in words is "one hundred sixty-five billion, four hundred twenty-eight million, six hundred twenty-two thousand, nine hundred thirty-six".