71160180 has 96 divisors (see below), whose sum is σ = 245247744. Its totient is φ = 15012864.

The previous prime is 71160163. The next prime is 71160223. The reversal of 71160180 is 8106117.

It is a self number, because there is not a number n which added to its sum of digits gives 71160180.

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, 1057 + ... + 11976.

It is an arithmetic number, because the mean of its divisors is an integer number (2554664).

Almost surely, 2^71160180 is an apocalyptic number.

71160180 is a gapful number since it is divisible by the number (70) 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 71160180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122623872).

71160180 is an abundant number, since it is smaller than the sum of its proper divisors (174087564).

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

71160180 is a wasteful number, since it uses less digits than its factorization.

71160180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13065 (or 13063 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 71160180 is about 8435.6493525988. The cubic root of 71160180 is about 414.3929383297.

Adding to 71160180 its reverse (8106117), we get a palindrome (79266297).

The spelling of 71160180 in words is "seventy-one million, one hundred sixty thousand, one hundred eighty".