64346617125 has 96 divisors (see below), whose sum is σ = 140364596736. Its totient is φ = 27685209600.

The previous prime is 64346617099. The next prime is 64346617129. The reversal of 64346617125 is 52171664346.

64346617125 is a `hidden beast` number, since 6 + 4 + 3 + 4 + 6 + 617 + 1 + 25 = 666.

It is not a de Polignac number, because 64346617125 - 2⁹ = 64346616613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64346617129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 106449 + ... + 374198.

It is an arithmetic number, because the mean of its divisors is an integer number (1462131216).

Almost surely, 2^64346617125 is an apocalyptic number.

It is an amenable number.

64346617125 is an abundant number, since it is smaller than the sum of its proper divisors (76017979611).

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

64346617125 is a wasteful number, since it uses less digits than its factorization.

64346617125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480692 (or 480679 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 64346617125 in words is "sixty-four billion, three hundred forty-six million, six hundred seventeen thousand, one hundred twenty-five".