64171053683 has 8 divisors (see below), whose sum is σ = 70006671360. Its totient is φ = 58335750280.

The previous prime is 64171053679. The next prime is 64171053697. The reversal of 64171053683 is 38635017146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64171053683 - 2² = 64171053679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64171053383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613358 + ... + 710316.

It is an arithmetic number, because the mean of its divisors is an integer number (8750833920).

Almost surely, 2^64171053683 is an apocalyptic number.

64171053683 is a deficient number, since it is larger than the sum of its proper divisors (5835617677).

64171053683 is a wasteful number, since it uses less digits than its factorization.

64171053683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157137.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 64171053683 in words is "sixty-four billion, one hundred seventy-one million, fifty-three thousand, six hundred eighty-three".