6016555561 has 8 divisors (see below), whose sum is σ = 6705758880. Its totient is φ = 5364606528.

The previous prime is 6016555541. The next prime is 6016555577. The reversal of 6016555561 is 1655556106.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6016555561 - 2⁹ = 6016555049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6016555511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9313231 + ... + 9313876.

It is an arithmetic number, because the mean of its divisors is an integer number (838219860).

Almost surely, 2^6016555561 is an apocalyptic number.

It is an amenable number.

6016555561 is a deficient number, since it is larger than the sum of its proper divisors (689203319).

6016555561 is a wasteful number, since it uses less digits than its factorization.

6016555561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627143.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 6016555561 is about 77566.4589948516. The cubic root of 6016555561 is about 1818.7903608210.

The spelling of 6016555561 in words is "six billion, sixteen million, five hundred fifty-five thousand, five hundred sixty-one".