64117143671 has 8 divisors (see below), whose sum is σ = 77133406080. Its totient is φ = 52065048888.

The previous prime is 64117143661. The next prime is 64117143689. The reversal of 64117143671 is 17634171146.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64117143671 is a prime.

It is a super-2 number, since 2×64117143671² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64117143661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241041761 + ... + 241042026.

It is an arithmetic number, because the mean of its divisors is an integer number (9641675760).

Almost surely, 2^64117143671 is an apocalyptic number.

64117143671 is a deficient number, since it is larger than the sum of its proper divisors (13016262409).

64117143671 is a wasteful number, since it uses less digits than its factorization.

64117143671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482083813.

The product of its digits is 84672, while the sum is 41.

The spelling of 64117143671 in words is "sixty-four billion, one hundred seventeen million, one hundred forty-three thousand, six hundred seventy-one".