64908059022 has 56 divisors (see below), whose sum is σ = 146620170216. Its totient is φ = 21540596976.

The previous prime is 64908059011. The next prime is 64908059039. The reversal of 64908059022 is 22095080946.

64908059022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64908059022² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 232908 + ... + 429024.

Almost surely, 2^64908059022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64908059022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73310085108).

64908059022 is an abundant number, since it is smaller than the sum of its proper divisors (81712111194).

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

64908059022 is a wasteful number, since it uses less digits than its factorization.

64908059022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196364 (or 196349 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 64908059022 in words is "sixty-four billion, nine hundred eight million, fifty-nine thousand, twenty-two".