60643520871 has 8 divisors (see below), whose sum is σ = 81393512064. Its totient is φ = 40161271800.

The previous prime is 60643520863. The next prime is 60643520891. The reversal of 60643520871 is 17802534606.

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

It is not a de Polignac number, because 60643520871 - 2³ = 60643520863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60643520851) 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, 66935001 + ... + 66935906.

It is an arithmetic number, because the mean of its divisors is an integer number (10174189008).

Almost surely, 2^60643520871 is an apocalyptic number.

60643520871 is a deficient number, since it is larger than the sum of its proper divisors (20749991193).

60643520871 is a wasteful number, since it uses less digits than its factorization.

60643520871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133871061.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 60643520871 in words is "sixty billion, six hundred forty-three million, five hundred twenty thousand, eight hundred seventy-one".