165838193195000 has 160 divisors (see below), whose sum is σ = 412421283568800. Its totient is φ = 62280540672000.

The previous prime is 165838193194991. The next prime is 165838193195029. The reversal of 165838193195000 is 591391838561.

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 39 ways as a sum of consecutive naturals, for example, 32379869 + ... + 37150131.

It is an arithmetic number, because the mean of its divisors is an integer number (2577633022305).

Almost surely, 2^{165838193195000} is an apocalyptic number.

165838193195000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165838193195000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206210641784400).

165838193195000 is an abundant number, since it is smaller than the sum of its proper divisors (246583090373800).

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

165838193195000 is a wasteful number, since it uses less digits than its factorization.

165838193195000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770715 (or 4770696 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 59.

The spelling of 165838193195000 in words is "one hundred sixty-five trillion, eight hundred thirty-eight billion, one hundred ninety-three million, one hundred ninety-five thousand".