64117714722 has 8 divisors (see below), whose sum is σ = 128235429456. Its totient is φ = 21372571572.

The previous prime is 64117714699. The next prime is 64117714781. The reversal of 64117714722 is 22741771146.

It is a happy number.

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

64117714722 is an admirable number.

It is a super-2 number, since 2×64117714722² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5343142888 + ... + 5343142899.

It is an arithmetic number, because the mean of its divisors is an integer number (16029428682).

Almost surely, 2^64117714722 is an apocalyptic number.

64117714722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64117714722 is a wasteful number, since it uses less digits than its factorization.

64117714722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686285792.

The product of its digits is 131712, while the sum is 42.

The spelling of 64117714722 in words is "sixty-four billion, one hundred seventeen million, seven hundred fourteen thousand, seven hundred twenty-two".