64173064107 has 4 divisors (see below), whose sum is σ = 85564085480. Its totient is φ = 42782042736.

The previous prime is 64173064097. The next prime is 64173064117. The reversal of 64173064107 is 70146037146.

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

It is an interprime number because it is at equal distance from previous prime (64173064097) and next prime (64173064117).

It is not a de Polignac number, because 64173064107 - 2⁷ = 64173063979 is a prime.

It is a super-2 number, since 2×64173064107² (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 (64173064117) 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, 10695510682 + ... + 10695510687.

It is an arithmetic number, because the mean of its divisors is an integer number (21391021370).

Almost surely, 2^64173064107 is an apocalyptic number.

64173064107 is a deficient number, since it is larger than the sum of its proper divisors (21391021373).

64173064107 is a wasteful number, since it uses less digits than its factorization.

64173064107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21391021372.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 64173064107 in words is "sixty-four billion, one hundred seventy-three million, sixty-four thousand, one hundred seven".