64116130643 has 4 divisors (see below), whose sum is σ = 64121572800. Its totient is φ = 64110688488.

The previous prime is 64116130633. The next prime is 64116130657. The reversal of 64116130643 is 34603161146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64116130643 - 2⁸ = 64116130387 is a prime.

It is a super-2 number, since 2×64116130643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64116130633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2703368 + ... + 2726981.

It is an arithmetic number, because the mean of its divisors is an integer number (16030393200).

Almost surely, 2^64116130643 is an apocalyptic number.

64116130643 is a deficient number, since it is larger than the sum of its proper divisors (5442157).

64116130643 is a wasteful number, since it uses less digits than its factorization.

64116130643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442156.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 64116130643 its reverse (34603161146), we get a palindrome (98719291789).

The spelling of 64116130643 in words is "sixty-four billion, one hundred sixteen million, one hundred thirty thousand, six hundred forty-three".