164730925870 has 128 divisors (see below), whose sum is σ = 365275008000.
Its totient is φ = 53317789056.
The previous prime is 164730925867. The next prime is 164730925913. The reversal of 164730925870 is 78529037461.
It is a super-4 number, since 4×1647309258704 (a number of 46 digits) contains 4444 as substring.
It is a congruent number.
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, 19090497 + ... + 19099123.
It is an arithmetic number, because the mean of its divisors is an integer number (2853711000).
It is a 2-persistent number, because it is pandigital, and so is 2⋅164730925870 = 329461851740, but 3⋅164730925870 = 494192777610 is not.
Almost surely, 2164730925870 is an apocalyptic number.
164730925870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
164730925870 is an abundant number, since it is smaller than the sum of its proper divisors (200544082130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164730925870 is a wasteful number, since it uses less digits than its factorization.
164730925870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8967 (or 8953 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 52.
The spelling of 164730925870 in words is "one hundred sixty-four billion, seven hundred thirty million, nine hundred twenty-five thousand, eight hundred seventy".