664564622062 has 8 divisors (see below), whose sum is σ = 1087469381592. Its totient is φ = 302074828200.

The previous prime is 664564622053. The next prime is 664564622063. The reversal of 664564622062 is 260226465466.

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

It is a super-2 number, since 2×664564622062² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 664564621997 and 664564622015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664564622063) 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, 15103741389 + ... + 15103741432.

It is an arithmetic number, because the mean of its divisors is an integer number (135933672699).

Almost surely, 2^664564622062 is an apocalyptic number.

664564622062 is a deficient number, since it is larger than the sum of its proper divisors (422904759530).

664564622062 is a wasteful number, since it uses less digits than its factorization.

664564622062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30207482834.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 664564622062 in words is "six hundred sixty-four billion, five hundred sixty-four million, six hundred twenty-two thousand, sixty-two".