60640529538 has 16 divisors (see below), whose sum is σ = 121305854016. Its totient is φ = 20209377360.

The previous prime is 60640529513. The next prime is 60640529569. The reversal of 60640529538 is 83592504606.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001253 + ... + 1060088.

It is an arithmetic number, because the mean of its divisors is an integer number (7581615876).

Almost surely, 2^60640529538 is an apocalyptic number.

60640529538 is an abundant number, since it is smaller than the sum of its proper divisors (60665324478).

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

60640529538 is a wasteful number, since it uses less digits than its factorization.

60640529538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066249.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 60640529538 in words is "sixty billion, six hundred forty million, five hundred twenty-nine thousand, five hundred thirty-eight".