64466340684 has 24 divisors (see below), whose sum is σ = 154486907568. Its totient is φ = 20908002240.

The previous prime is 64466340683. The next prime is 64466340689. The reversal of 64466340684 is 48604366446.

64466340684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64466340683) 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, 72596787 + ... + 72597674.

It is an arithmetic number, because the mean of its divisors is an integer number (6436954482).

Almost surely, 2^64466340684 is an apocalyptic number.

It is an amenable number.

64466340684 is an abundant number, since it is smaller than the sum of its proper divisors (90020566884).

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

64466340684 is a wasteful number, since it uses less digits than its factorization.

64466340684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145194505 (or 145194503 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 51.

The spelling of 64466340684 in words is "sixty-four billion, four hundred sixty-six million, three hundred forty thousand, six hundred eighty-four".