4660365561 has 4 divisors (see below), whose sum is σ = 6213820752. Its totient is φ = 3106910372.

The previous prime is 4660365559. The next prime is 4660365571. The reversal of 4660365561 is 1655630664.

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 4660365561 - 2¹ = 4660365559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4660365571) 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 3 ways as a sum of consecutive naturals, for example, 776727591 + ... + 776727596.

It is an arithmetic number, because the mean of its divisors is an integer number (1553455188).

Almost surely, 2^4660365561 is an apocalyptic number.

It is an amenable number.

4660365561 is a deficient number, since it is larger than the sum of its proper divisors (1553455191).

4660365561 is a wasteful number, since it uses less digits than its factorization.

4660365561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553455190.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 4660365561 is about 68266.8701567605. The cubic root of 4660365561 is about 1670.3468462170.

The spelling of 4660365561 in words is "four billion, six hundred sixty million, three hundred sixty-five thousand, five hundred sixty-one".