4660215861 has 32 divisors (see below), whose sum is σ = 7480995840. Its totient is φ = 2520811584.

The previous prime is 4660215827. The next prime is 4660215881. The reversal of 4660215861 is 1685120664.

It is a happy number.

It is not a de Polignac number, because 4660215861 - 2⁷ = 4660215733 is a prime.

It is a super-2 number, since 2×4660215861² = 43435223742231942642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4660215881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591796 + ... + 599618.

It is an arithmetic number, because the mean of its divisors is an integer number (233781120).

Almost surely, 2^4660215861 is an apocalyptic number.

It is an amenable number.

4660215861 is a deficient number, since it is larger than the sum of its proper divisors (2820779979).

4660215861 is a wasteful number, since it uses less digits than its factorization.

4660215861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 4660215861 is about 68265.7737156769. The cubic root of 4660215861 is about 1670.3289610964.

The spelling of 4660215861 in words is "four billion, six hundred sixty million, two hundred fifteen thousand, eight hundred sixty-one".