635605542130016 has 48 divisors (see below), whose sum is σ = 1274924394702000. Its totient is φ = 311866614962688.

The previous prime is 635605542129973. The next prime is 635605542130063. The reversal of 635605542130016 is 610031245506536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802655651 + ... + 803447138.

It is an arithmetic number, because the mean of its divisors is an integer number (26560924889625).

Almost surely, 2^{635605542130016} is an apocalyptic number.

It is an amenable number.

635605542130016 is an abundant number, since it is smaller than the sum of its proper divisors (639318852571984).

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

635605542130016 is a wasteful number, since it uses less digits than its factorization.

635605542130016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606103031 (or 1606103023 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 635605542130016 in words is "six hundred thirty-five trillion, six hundred five billion, five hundred forty-two million, one hundred thirty thousand, sixteen".