80164013520 has 160 divisors (see below), whose sum is σ = 263458851840. Its totient is φ = 20128296960.

The previous prime is 80164013509. The next prime is 80164013581. The reversal of 80164013520 is 2531046108.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 129676 + ... + 420884.

It is an arithmetic number, because the mean of its divisors is an integer number (1646617824).

Almost surely, 2^80164013520 is an apocalyptic number.

80164013520 is a gapful number since it is divisible by the number (80) 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 80164013520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131729425920).

80164013520 is an abundant number, since it is smaller than the sum of its proper divisors (183294838320).

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

80164013520 is a wasteful number, since it uses less digits than its factorization.

80164013520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291293 (or 291287 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 80164013520 its reverse (2531046108), we get a palindrome (82695059628).

The spelling of 80164013520 in words is "eighty billion, one hundred sixty-four million, thirteen thousand, five hundred twenty".