345311664 has 40 divisors (see below), whose sum is σ = 893514240. Its totient is φ = 114915648.

The previous prime is 345311657. The next prime is 345311669. The reversal of 345311664 is 466113543.

It is not an unprimeable number, because it can be changed into a prime (345311669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25497 + ... + 36615.

It is an arithmetic number, because the mean of its divisors is an integer number (22337856).

Almost surely, 2^345311664 is an apocalyptic number.

It is an amenable number.

345311664 is an abundant number, since it is smaller than the sum of its proper divisors (548202576).

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

345311664 is a wasteful number, since it uses less digits than its factorization.

345311664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11777 (or 11771 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 345311664 is about 18582.5634399563. The cubic root of 345311664 is about 701.5690409315.

The spelling of 345311664 in words is "three hundred forty-five million, three hundred eleven thousand, six hundred sixty-four".