4661047665 has 32 divisors (see below), whose sum is σ = 8311420800. Its totient is φ = 2478358080.

The previous prime is 4661047631. The next prime is 4661047667. The reversal of 4661047665 is 5667401664.

It is not a de Polignac number, because 4661047665 - 2⁷ = 4661047537 is a prime.

It is a super-3 number, since 3×4661047665³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4661047665.

It is not an unprimeable number, because it can be changed into a prime (4661047667) 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 31 ways as a sum of consecutive naturals, for example, 7470 + ... + 96839.

It is an arithmetic number, because the mean of its divisors is an integer number (259731900).

Almost surely, 2^4661047665 is an apocalyptic number.

4661047665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4661047665 is a deficient number, since it is larger than the sum of its proper divisors (3650373135).

4661047665 is a wasteful number, since it uses less digits than its factorization.

4661047665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104654 (or 104648 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 4661047665 is about 68271.8658379863. The cubic root of 4661047665 is about 1670.4283344371.

The spelling of 4661047665 in words is "four billion, six hundred sixty-one million, forty-seven thousand, six hundred sixty-five".