80164643328 has 640 divisors, whose sum is σ = 298678026240. Its totient is φ = 20623196160.

The previous prime is 80164643311. The next prime is 80164643329. The reversal of 80164643328 is 82334646108.

It is not an unprimeable number, because it can be changed into a prime (80164643329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135184600 + ... + 135185192.

It is an arithmetic number, because the mean of its divisors is an integer number (466684416).

Almost surely, 2^80164643328 is an apocalyptic number.

80164643328 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80164643328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149339013120).

80164643328 is an abundant number, since it is smaller than the sum of its proper divisors (218513382912).

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

80164643328 is a wasteful number, since it uses less digits than its factorization.

80164643328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 80164643328 in words is "eighty billion, one hundred sixty-four million, six hundred forty-three thousand, three hundred twenty-eight".