664426264862 has 8 divisors (see below), whose sum is σ = 1001803332576. Its totient is φ = 330491820672.

The previous prime is 664426264849. The next prime is 664426264867. The reversal of 664426264862 is 268462624466.

664426264862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×664426264862³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 664426264798 and 664426264807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664426264867) 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, 860655398 + ... + 860656169.

It is an arithmetic number, because the mean of its divisors is an integer number (125225416572).

Almost surely, 2^664426264862 is an apocalyptic number.

664426264862 is a deficient number, since it is larger than the sum of its proper divisors (337377067714).

664426264862 is a wasteful number, since it uses less digits than its factorization.

664426264862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721311762.

The product of its digits is 31850496, while the sum is 56.

The spelling of 664426264862 in words is "six hundred sixty-four billion, four hundred twenty-six million, two hundred sixty-four thousand, eight hundred sixty-two".