165045624323250 has 128 divisors (see below), whose sum is σ = 451732754573568. Its totient is φ = 39803748864000.

The previous prime is 165045624323149. The next prime is 165045624323269. The reversal of 165045624323250 is 52323426540561.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 165045624323250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50235549 + ... + 53420048.

It is an arithmetic number, because the mean of its divisors is an integer number (3529162145106).

Almost surely, 2^{165045624323250} is an apocalyptic number.

165045624323250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165045624323250 is an abundant number, since it is smaller than the sum of its proper divisors (286687130250318).

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

165045624323250 is a wasteful number, since it uses less digits than its factorization.

165045624323250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103655821 (or 103655811 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 165045624323250 in words is "one hundred sixty-five trillion, forty-five billion, six hundred twenty-four million, three hundred twenty-three thousand, two hundred fifty".