4606615561 has 4 divisors (see below), whose sum is σ = 4606815492. Its totient is φ = 4606415632.

The previous prime is 4606615553. The next prime is 4606615571. The reversal of 4606615561 is 1655166064.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2768864400 + 1837751161 = 52620^2 + 42869^2 .

It is a cyclic number.

It is not a de Polignac number, because 4606615561 - 2³ = 4606615553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4606615571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60106 + ... + 113251.

It is an arithmetic number, because the mean of its divisors is an integer number (1151703873).

Almost surely, 2^4606615561 is an apocalyptic number.

It is an amenable number.

4606615561 is a deficient number, since it is larger than the sum of its proper divisors (199931).

4606615561 is a wasteful number, since it uses less digits than its factorization.

4606615561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199930.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 4606615561 is about 67872.0528715612. The cubic root of 4606615561 is about 1663.9003895980.

The spelling of 4606615561 in words is "four billion, six hundred six million, six hundred fifteen thousand, five hundred sixty-one".