641661435010316 has 48 divisors (see below), whose sum is σ = 1286141862933312. Its totient is φ = 274393720627200.

The previous prime is 641661435010307. The next prime is 641661435010363. The reversal of 641661435010316 is 613010534166146.

641661435010316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 484175660 + ... + 485499116.

It is an arithmetic number, because the mean of its divisors is an integer number (26794622144444).

Almost surely, 2^{641661435010316} is an apocalyptic number.

It is an amenable number.

641661435010316 is an abundant number, since it is smaller than the sum of its proper divisors (644480427922996).

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

641661435010316 is a wasteful number, since it uses less digits than its factorization.

641661435010316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361490 (or 1361488 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 641661435010316 in words is "six hundred forty-one trillion, six hundred sixty-one billion, four hundred thirty-five million, ten thousand, three hundred sixteen".