64262202664 has 32 divisors (see below), whose sum is σ = 132531762240. Its totient is φ = 29210087280.

The previous prime is 64262202661. The next prime is 64262202689. The reversal of 64262202664 is 46620226246.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64262202661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006924 + ... + 3028219.

It is an arithmetic number, because the mean of its divisors is an integer number (4141617570).

Almost surely, 2^64262202664 is an apocalyptic number.

It is an amenable number.

64262202664 is an abundant number, since it is smaller than the sum of its proper divisors (68269559576).

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

64262202664 is a wasteful number, since it uses less digits than its factorization.

64262202664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035182 (or 6035156 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 64262202664 in words is "sixty-four billion, two hundred sixty-two million, two hundred two thousand, six hundred sixty-four".