64662086444822 has 8 divisors (see below), whose sum is σ = 97851475947816. Its totient is φ = 32044927795552.

The previous prime is 64662086444819. The next prime is 64662086444827. The reversal of 64662086444822 is 22844468026646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64662086444822² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64662086444827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143057713148 + ... + 143057713599.

It is an arithmetic number, because the mean of its divisors is an integer number (12231434493477).

Almost surely, 2^{64662086444822} is an apocalyptic number.

64662086444822 is a deficient number, since it is larger than the sum of its proper divisors (33189389502994).

64662086444822 is a wasteful number, since it uses less digits than its factorization.

64662086444822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286115426862.

The product of its (nonzero) digits is 169869312, while the sum is 62.

The spelling of 64662086444822 in words is "sixty-four trillion, six hundred sixty-two billion, eighty-six million, four hundred forty-four thousand, eight hundred twenty-two".