64118888023 has 8 divisors (see below), whose sum is σ = 67572339120. Its totient is φ = 60673314240.

The previous prime is 64118888021. The next prime is 64118888039. The reversal of 64118888023 is 32088881146.

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 64118888023 - 2¹ = 64118888021 is a prime.

It is a super-2 number, since 2×64118888023² (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 (64118888021) 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, 1952608 + ... + 1985173.

It is an arithmetic number, because the mean of its divisors is an integer number (8446542390).

Almost surely, 2^64118888023 is an apocalyptic number.

64118888023 is a deficient number, since it is larger than the sum of its proper divisors (3453451097).

64118888023 is a wasteful number, since it uses less digits than its factorization.

64118888023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938657.

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 64118888023 in words is "sixty-four billion, one hundred eighteen million, eight hundred eighty-eight thousand, twenty-three".