664024116485450 has 192 divisors, whose sum is σ = 1479664238641920. Its totient is φ = 216976402114560.

The previous prime is 664024116485447. The next prime is 664024116485473. The reversal of 664024116485450 is 54584611420466.

It is a super-3 number, since 3×664024116485450³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 120630632 + ... + 126015068.

It is an arithmetic number, because the mean of its divisors is an integer number (7706584576260).

Almost surely, 2^{664024116485450} is an apocalyptic number.

664024116485450 is an abundant number, since it is smaller than the sum of its proper divisors (815640122156470).

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

664024116485450 is a wasteful number, since it uses less digits than its factorization.

664024116485450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384689 (or 5384684 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 56.

The spelling of 664024116485450 in words is "six hundred sixty-four trillion, twenty-four billion, one hundred sixteen million, four hundred eighty-five thousand, four hundred fifty".