164250967860 has 96 divisors (see below), whose sum is σ = 584003454720. Its totient is φ = 37543077504.

The previous prime is 164250967849. The next prime is 164250967879. The reversal of 164250967860 is 68769052461.

164250967860 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 509 + 6 + 78 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 164250967797 and 164250967806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21722539 + ... + 21730098.

It is an arithmetic number, because the mean of its divisors is an integer number (6083369320).

Almost surely, 2^164250967860 is an apocalyptic number.

164250967860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164250967860 is an abundant number, since it is smaller than the sum of its proper divisors (419752486860).

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

164250967860 is a wasteful number, since it uses less digits than its factorization.

164250967860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43452662 (or 43452654 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 164250967860 in words is "one hundred sixty-four billion, two hundred fifty million, nine hundred sixty-seven thousand, eight hundred sixty".