64662446460622 has 8 divisors (see below), whose sum is σ = 97058897449056. Its totient is φ = 32309480644272.

The previous prime is 64662446460611. The next prime is 64662446460629. The reversal of 64662446460622 is 22606464426646.

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

It is a super-2 number, since 2×64662446460622² (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 (64662446460629) 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, 10871289303 + ... + 10871295250.

It is an arithmetic number, because the mean of its divisors is an integer number (12132362181132).

Almost surely, 2^{64662446460622} is an apocalyptic number.

64662446460622 is a deficient number, since it is larger than the sum of its proper divisors (32396450988434).

64662446460622 is a wasteful number, since it uses less digits than its factorization.

64662446460622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21742586042.

The product of its (nonzero) digits is 95551488, while the sum is 58.

The spelling of 64662446460622 in words is "sixty-four trillion, six hundred sixty-two billion, four hundred forty-six million, four hundred sixty thousand, six hundred twenty-two".