655115616605 has 16 divisors (see below), whose sum is σ = 827563641600. Its totient is φ = 496479170880.

The previous prime is 655115616587. The next prime is 655115616619. The reversal of 655115616605 is 506616511556.

655115616605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655115616605 - 2⁸ = 655115616349 is a prime.

It is a super-2 number, since 2×655115616605² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 655115616605.

It is a congruent number.

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, 1474076 + ... + 1866314.

It is an arithmetic number, because the mean of its divisors is an integer number (51722727600).

Almost surely, 2^655115616605 is an apocalyptic number.

It is an amenable number.

655115616605 is a deficient number, since it is larger than the sum of its proper divisors (172448024995).

655115616605 is a wasteful number, since it uses less digits than its factorization.

655115616605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409844.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 655115616605 in words is "six hundred fifty-five billion, one hundred fifteen million, six hundred sixteen thousand, six hundred five".