346444644664 has 32 divisors (see below), whose sum is σ = 661000734720. Its totient is φ = 170191286496.

The previous prime is 346444644661. The next prime is 346444644683. The reversal of 346444644664 is 466446444643.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346444644661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638514 + ... + 1049089.

It is an arithmetic number, because the mean of its divisors is an integer number (20656272960).

Almost surely, 2^346444644664 is an apocalyptic number.

It is an amenable number.

346444644664 is a deficient number, since it is larger than the sum of its proper divisors (314556090056).

346444644664 is a wasteful number, since it uses less digits than its factorization.

346444644664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688059 (or 1688055 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 55.

The spelling of 346444644664 in words is "three hundred forty-six billion, four hundred forty-four million, six hundred forty-four thousand, six hundred sixty-four".