60404320866181 has 2 divisors, whose sum is σ = 60404320866182. Its totient is φ = 60404320866180.

The previous prime is 60404320866179. The next prime is 60404320866221. The reversal of 60404320866181 is 18166802340406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59864109096100 + 540211770081 = 7737190^2 + 734991^2 .

It is a cyclic number.

It is not a de Polignac number, because 60404320866181 - 2¹ = 60404320866179 is a prime.

It is a super-2 number, since 2×60404320866181² (a number of 28 digits) contains 22 as substring.

Together with 60404320866179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60404320866121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30202160433090 + 30202160433091.

It is an arithmetic number, because the mean of its divisors is an integer number (30202160433091).

Almost surely, 2^{60404320866181} is an apocalyptic number.

It is an amenable number.

60404320866181 is a deficient number, since it is larger than the sum of its proper divisors (1).

60404320866181 is an equidigital number, since it uses as much as digits as its factorization.

60404320866181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 60404320866181 in words is "sixty trillion, four hundred four billion, three hundred twenty million, eight hundred sixty-six thousand, one hundred eighty-one".