80181361 has 8 divisors (see below), whose sum is σ = 86428160. Its totient is φ = 73945872.

The previous prime is 80181359. The next prime is 80181377. The reversal of 80181361 is 16318108.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80181361 - 2¹ = 80181359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80181341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17200 + ... + 21358.

It is an arithmetic number, because the mean of its divisors is an integer number (10803520).

Almost surely, 2^80181361 is an apocalyptic number.

It is an amenable number.

80181361 is a deficient number, since it is larger than the sum of its proper divisors (6246799).

80181361 is a wasteful number, since it uses less digits than its factorization.

80181361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 80181361 is about 8954.4045586516. The cubic root of 80181361 is about 431.2123009543.

Adding to 80181361 its reverse (16318108), we get a palindrome (96499469).

The spelling of 80181361 in words is "eighty million, one hundred eighty-one thousand, three hundred sixty-one".