165157226300 has 72 divisors (see below), whose sum is σ = 395682924672. Its totient is φ = 59333560000.

The previous prime is 165157226281. The next prime is 165157226317. The reversal of 165157226300 is 3622751561.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813176 + ... + 995775.

It is an arithmetic number, because the mean of its divisors is an integer number (5495596176).

Almost surely, 2^165157226300 is an apocalyptic number.

165157226300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165157226300 is an abundant number, since it is smaller than the sum of its proper divisors (230525698372).

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

165157226300 is a wasteful number, since it uses less digits than its factorization.

165157226300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809059 (or 1809052 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 165157226300 its reverse (3622751561), we get a palindrome (168779977861).

The spelling of 165157226300 in words is "one hundred sixty-five billion, one hundred fifty-seven million, two hundred twenty-six thousand, three hundred".