133464544430664 has 64 divisors (see below), whose sum is σ = 334089840349440. Its totient is φ = 44431074201920.

The previous prime is 133464544430611. The next prime is 133464544430683. The reversal of 133464544430664 is 466034445464331.

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, 91255387 + ... + 92706389.

It is an arithmetic number, because the mean of its divisors is an integer number (5220153755460).

Almost surely, 2^{133464544430664} is an apocalyptic number.

It is an amenable number.

133464544430664 is an abundant number, since it is smaller than the sum of its proper divisors (200625295918776).

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

133464544430664 is a wasteful number, since it uses less digits than its factorization.

133464544430664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455930 (or 1455926 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 57.

Adding to 133464544430664 its reverse (466034445464331), we get a palindrome (599498989894995).

The spelling of 133464544430664 in words is "one hundred thirty-three trillion, four hundred sixty-four billion, five hundred forty-four million, four hundred thirty thousand, six hundred sixty-four".