165755605230 has 64 divisors (see below), whose sum is σ = 442060174080. Its totient is φ = 44196972192.

The previous prime is 165755605159. The next prime is 165755605261. The reversal of 165755605230 is 32506557561.

165755605230 is a `hidden beast` number, since 1 + 6 + 5 + 7 + 5 + 5 + 605 + 2 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3243537 + ... + 3294243.

It is an arithmetic number, because the mean of its divisors is an integer number (6907190220).

Almost surely, 2^165755605230 is an apocalyptic number.

165755605230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165755605230 is an abundant number, since it is smaller than the sum of its proper divisors (276304568850).

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

165755605230 is a wasteful number, since it uses less digits than its factorization.

165755605230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62830 (or 62824 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 45.

The spelling of 165755605230 in words is "one hundred sixty-five billion, seven hundred fifty-five million, six hundred five thousand, two hundred thirty".