64268350680 has 64 divisors (see below), whose sum is σ = 193987964160. Its totient is φ = 17033079168.

The previous prime is 64268350673. The next prime is 64268350681. The reversal of 64268350680 is 8605386246.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64268350681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1623292 + ... + 1662411.

It is an arithmetic number, because the mean of its divisors is an integer number (3031061940).

Almost surely, 2^64268350680 is an apocalyptic number.

64268350680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64268350680 is an abundant number, since it is smaller than the sum of its proper divisors (129719613480).

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

64268350680 is a wasteful number, since it uses less digits than its factorization.

64268350680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285880 (or 3285876 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 64268350680 in words is "sixty-four billion, two hundred sixty-eight million, three hundred fifty thousand, six hundred eighty".