634606401416 has 48 divisors (see below), whose sum is σ = 1289064648960. Its totient is φ = 292757250240.

The previous prime is 634606401383. The next prime is 634606401421. The reversal of 634606401416 is 614104606436.

It is a happy number.

634606401416 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 11 ways as a sum of consecutive naturals, for example, 2787821 + ... + 3006851.

It is an arithmetic number, because the mean of its divisors is an integer number (26855513520).

Almost surely, 2^634606401416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634606401416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644532324480).

634606401416 is an abundant number, since it is smaller than the sum of its proper divisors (654458247544).

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

634606401416 is a wasteful number, since it uses less digits than its factorization.

634606401416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221206 (or 221189 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 634606401416 in words is "six hundred thirty-four billion, six hundred six million, four hundred one thousand, four hundred sixteen".