84164185325488 has 80 divisors (see below), whose sum is σ = 171135642689280. Its totient is φ = 40021243561728.

The previous prime is 84164185325477. The next prime is 84164185325491. The reversal of 84164185325488 is 88452358146148.

It is a super-2 number, since 2×84164185325488² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431166406 + ... + 431361562.

It is an arithmetic number, because the mean of its divisors is an integer number (2139195533616).

Almost surely, 2^{84164185325488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84164185325488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85567821344640).

84164185325488 is an abundant number, since it is smaller than the sum of its proper divisors (86971457363792).

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

84164185325488 is a wasteful number, since it uses less digits than its factorization.

84164185325488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201914 (or 201908 counting only the distinct ones).

The product of its digits is 235929600, while the sum is 67.

The spelling of 84164185325488 in words is "eighty-four trillion, one hundred sixty-four billion, one hundred eighty-five million, three hundred twenty-five thousand, four hundred eighty-eight".