60641818133 has 8 divisors (see below), whose sum is σ = 67558524600. Its totient is φ = 54046819008.

The previous prime is 60641818099. The next prime is 60641818219. The reversal of 60641818133 is 33181814606.

It can be written as a sum of positive squares in 4 ways, for example, as 97278769 + 60544539364 = 9863^2 + 246058^2 .

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

It is not a de Polignac number, because 60641818133 - 2²⁰ = 60640769557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60641814133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80426438 + ... + 80427191.

It is an arithmetic number, because the mean of its divisors is an integer number (8444815575).

Almost surely, 2^60641818133 is an apocalyptic number.

It is an amenable number.

60641818133 is a deficient number, since it is larger than the sum of its proper divisors (6916706467).

60641818133 is a wasteful number, since it uses less digits than its factorization.

60641818133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160853671.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 60641818133 in words is "sixty billion, six hundred forty-one million, eight hundred eighteen thousand, one hundred thirty-three".