616155605655 has 16 divisors (see below), whose sum is σ = 985870260960. Its totient is φ = 328609225728.

The previous prime is 616155605627. The next prime is 616155605669. The reversal of 616155605655 is 556506551616.

It is not a de Polignac number, because 616155605655 - 2²³ = 616147217047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616155605598 and 616155605607.

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, 316059 + ... + 1154211.

It is an arithmetic number, because the mean of its divisors is an integer number (61616891310).

Almost surely, 2^616155605655 is an apocalyptic number.

616155605655 is a deficient number, since it is larger than the sum of its proper divisors (369714655305).

616155605655 is a wasteful number, since it uses less digits than its factorization.

616155605655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887170.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 616155605655 in words is "six hundred sixteen billion, one hundred fifty-five million, six hundred five thousand, six hundred fifty-five".