60421568128 has 64 divisors (see below), whose sum is σ = 121801317120. Its totient is φ = 29853849600.

The previous prime is 60421568107. The next prime is 60421568197. The reversal of 60421568128 is 82186512406.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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, 3902803 + ... + 3918253.

It is an arithmetic number, because the mean of its divisors is an integer number (1903145580).

Almost surely, 2^60421568128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60421568128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60900658560).

60421568128 is an abundant number, since it is smaller than the sum of its proper divisors (61379748992).

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

60421568128 is a wasteful number, since it uses less digits than its factorization.

60421568128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15825 (or 15813 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 60421568128 in words is "sixty billion, four hundred twenty-one million, five hundred sixty-eight thousand, one hundred twenty-eight".