6160615561 has 4 divisors (see below), whose sum is σ = 6161773072. Its totient is φ = 6159458052.

The previous prime is 6160615529. The next prime is 6160615579. The reversal of 6160615561 is 1655160616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6160615561 - 2⁵ = 6160615529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6160615561.

It is not an unprimeable number, because it can be changed into a prime (6160615501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570735 + ... + 581428.

It is an arithmetic number, because the mean of its divisors is an integer number (1540443268).

Almost surely, 2^6160615561 is an apocalyptic number.

It is an amenable number.

6160615561 is a deficient number, since it is larger than the sum of its proper divisors (1157511).

6160615561 is a wasteful number, since it uses less digits than its factorization.

6160615561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157510.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 6160615561 is about 78489.5888701170. The cubic root of 6160615561 is about 1833.1923496618.

The spelling of 6160615561 in words is "six billion, one hundred sixty million, six hundred fifteen thousand, five hundred sixty-one".