64068768501822 has 96 divisors (see below), whose sum is σ = 165645285990912. Its totient is φ = 17498779733952.

The previous prime is 64068768501757. The next prime is 64068768501823. The reversal of 64068768501822 is 22810586786046.

64068768501822 is a `hidden beast` number, since 6 + 4 + 0 + 68 + 7 + 68 + 501 + 8 + 2 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 64068768501822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64068768501823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2008548 + ... + 11496599.

It is an arithmetic number, because the mean of its divisors is an integer number (1725471729072).

Almost surely, 2^{64068768501822} is an apocalyptic number.

64068768501822 is an abundant number, since it is smaller than the sum of its proper divisors (101576517489090).

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

64068768501822 is a wasteful number, since it uses less digits than its factorization.

64068768501822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13506822 (or 13506819 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 64068768501822 in words is "sixty-four trillion, sixty-eight billion, seven hundred sixty-eight million, five hundred one thousand, eight hundred twenty-two".