8164864946532 has 144 divisors (see below), whose sum is σ = 23330968059840. Its totient is φ = 2209775033088.

The previous prime is 8164864946527. The next prime is 8164864946633. The reversal of 8164864946532 is 2356494684618.

It is a happy 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, 104944398 + ... + 105022170.

Almost surely, 2^{8164864946532} 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 8164864946532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11665484029920).

8164864946532 is an abundant number, since it is smaller than the sum of its proper divisors (15166103113308).

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

8164864946532 is a wasteful number, since it uses less digits than its factorization.

8164864946532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87210 (or 87201 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 66.

The spelling of 8164864946532 in words is "eight trillion, one hundred sixty-four billion, eight hundred sixty-four million, nine hundred forty-six thousand, five hundred thirty-two".