345634664 has 16 divisors (see below), whose sum is σ = 648989700. Its totient is φ = 172570752.

The previous prime is 345634661. The next prime is 345634687. The reversal of 345634664 is 466436543.

345634664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 290429764 + 55204900 = 17042^2 + 7430^2 .

It is not an unprimeable number, because it can be changed into a prime (345634661) 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, 24797 + ... + 36140.

Almost surely, 2^345634664 is an apocalyptic number.

It is an amenable number.

345634664 is a deficient number, since it is larger than the sum of its proper divisors (303355036).

345634664 is a wasteful number, since it uses less digits than its factorization.

345634664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61652 (or 61648 counting only the distinct ones).

The product of its digits is 622080, while the sum is 41.

The square root of 345634664 is about 18591.2523515765. The cubic root of 345634664 is about 701.7877189216.

The spelling of 345634664 in words is "three hundred forty-five million, six hundred thirty-four thousand, six hundred sixty-four".