664610483044 has 6 divisors (see below), whose sum is σ = 1163068345334. Its totient is φ = 332305241520.

The previous prime is 664610483041. The next prime is 664610483077. The reversal of 664610483044 is 440384016466.

It can be written as a sum of positive squares in only one way, i.e., 647281393444 + 17329089600 = 804538^2 + 131640^2 .

It is a junction number, because it is equal to n+sod(n) for n = 664610482985 and 664610483003.

It is not an unprimeable number, because it can be changed into a prime (664610483041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83076310377 + ... + 83076310384.

Almost surely, 2^664610483044 is an apocalyptic number.

It is an amenable number.

664610483044 is a deficient number, since it is larger than the sum of its proper divisors (498457862290).

664610483044 is a wasteful number, since it uses less digits than its factorization.

664610483044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166152620765 (or 166152620763 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 664610483044 in words is "six hundred sixty-four billion, six hundred ten million, four hundred eighty-three thousand, forty-four".