4664000660646 has 32 divisors (see below), whose sum is σ = 9907864155360. Its totient is φ = 1458600060416.

The previous prime is 4664000660617. The next prime is 4664000660651. The reversal of 4664000660646 is 6460660004664.

It is a junction number, because it is equal to n+sod(n) for n = 4664000660595 and 4664000660604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72089901 + ... + 72154568.

It is an arithmetic number, because the mean of its divisors is an integer number (309620754855).

Almost surely, 2^{4664000660646} is an apocalyptic number.

4664000660646 is an abundant number, since it is smaller than the sum of its proper divisors (5243863494714).

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

4664000660646 is a wasteful number, since it uses less digits than its factorization.

4664000660646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144244808.

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 4664000660646 in words is "four trillion, six hundred sixty-four billion, six hundred sixty thousand, six hundred forty-six".