60818448821 has 8 divisors (see below), whose sum is σ = 69349543704. Its totient is φ = 52837747200.

The previous prime is 60818448797. The next prime is 60818448917. The reversal of 60818448821 is 12884481806.

It can be written as a sum of positive squares in 4 ways, for example, as 20710375921 + 40108072900 = 143911^2 + 200270^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60818448821 is a prime.

It is a super-3 number, since 3×60818448821³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60818448821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60818442821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137598080 + ... + 137598521.

It is an arithmetic number, because the mean of its divisors is an integer number (8668692963).

Almost surely, 2^60818448821 is an apocalyptic number.

It is an amenable number.

60818448821 is a deficient number, since it is larger than the sum of its proper divisors (8531094883).

60818448821 is a wasteful number, since it uses less digits than its factorization.

60818448821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275196631.

The product of its (nonzero) digits is 786432, while the sum is 50.

The spelling of 60818448821 in words is "sixty billion, eight hundred eighteen million, four hundred forty-eight thousand, eight hundred twenty-one".