645060116013 has 32 divisors (see below), whose sum is σ = 870399129600. Its totient is φ = 424912238400.

The previous prime is 645060116003. The next prime is 645060116027. The reversal of 645060116013 is 310611060546.

It is not a de Polignac number, because 645060116013 - 2¹⁶ = 645060050477 is a prime.

It is a super-2 number, since 2×645060116013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645060116003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135542928 + ... + 135547686.

It is an arithmetic number, because the mean of its divisors is an integer number (27199972800).

Almost surely, 2^645060116013 is an apocalyptic number.

It is an amenable number.

645060116013 is a deficient number, since it is larger than the sum of its proper divisors (225339013587).

645060116013 is a wasteful number, since it uses less digits than its factorization.

645060116013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 645060116013 its reverse (310611060546), we get a palindrome (955671176559).

The spelling of 645060116013 in words is "six hundred forty-five billion, sixty million, one hundred sixteen thousand, thirteen".