165140124673750 has 20 divisors (see below), whose sum is σ = 309538649690820. Its totient is φ = 66056049869000.

The previous prime is 165140124673673. The next prime is 165140124673757. The reversal of 165140124673750 is 57376421041561.

165140124673750 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165140124673757) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 66056048620 + ... + 66056051119.

It is an arithmetic number, because the mean of its divisors is an integer number (15476932484541).

Almost surely, 2^{165140124673750} is an apocalyptic number.

165140124673750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165140124673750 is a deficient number, since it is larger than the sum of its proper divisors (144398525017070).

165140124673750 is an equidigital number, since it uses as much as digits as its factorization.

165140124673750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132112099761 (or 132112099746 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 165140124673750 in words is "one hundred sixty-five trillion, one hundred forty billion, one hundred twenty-four million, six hundred seventy-three thousand, seven hundred fifty".