4667505561 has 12 divisors (see below), whose sum is σ = 6742570900. Its totient is φ = 3111384960.

The previous prime is 4667505547. The next prime is 4667505593. The reversal of 4667505561 is 1655057664.

4667505561 is a `hidden beast` number, since 46 + 6 + 7 + 50 + 556 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1374926400 + 3292579161 = 37080^2 + 57381^2 .

It is not a de Polignac number, because 4667505561 - 2⁶ = 4667505497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4667505511) 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 11 ways as a sum of consecutive naturals, for example, 136965 + ... + 167613.

Almost surely, 2^4667505561 is an apocalyptic number.

It is an amenable number.

4667505561 is a deficient number, since it is larger than the sum of its proper divisors (2075065339).

4667505561 is a wasteful number, since it uses less digits than its factorization.

4667505561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47576 (or 47573 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 4667505561 is about 68319.1449082905. The cubic root of 4667505561 is about 1671.1994396370.

The spelling of 4667505561 in words is "four billion, six hundred sixty-seven million, five hundred five thousand, five hundred sixty-one".