164720753125 has 48 divisors (see below), whose sum is σ = 219414956544. Its totient is φ = 123362800000.

The previous prime is 164720753117. The next prime is 164720753143. The reversal of 164720753125 is 521357027461.

It is a happy number.

It is not a de Polignac number, because 164720753125 - 2³ = 164720753117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3353745 + ... + 3402505.

It is an arithmetic number, because the mean of its divisors is an integer number (4571144928).

Almost surely, 2^164720753125 is an apocalyptic number.

It is an amenable number.

164720753125 is a deficient number, since it is larger than the sum of its proper divisors (54694203419).

164720753125 is an frugal number, since it uses more digits than its factorization.

164720753125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48856 (or 48836 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 164720753125 in words is "one hundred sixty-four billion, seven hundred twenty million, seven hundred fifty-three thousand, one hundred twenty-five".