605615661516 has 48 divisors (see below), whose sum is σ = 1428883394400. Its totient is φ = 199621109760.

The previous prime is 605615661503. The next prime is 605615661571. The reversal of 605615661516 is 615166516506.

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, 1154410 + ... + 1594958.

It is an arithmetic number, because the mean of its divisors is an integer number (29768404050).

Almost surely, 2^605615661516 is an apocalyptic number.

It is an amenable number.

605615661516 is an abundant number, since it is smaller than the sum of its proper divisors (823267732884).

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

605615661516 is a wasteful number, since it uses less digits than its factorization.

605615661516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441834 (or 441832 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 605615661516 in words is "six hundred five billion, six hundred fifteen million, six hundred sixty-one thousand, five hundred sixteen".