4858456661 has 4 divisors (see below), whose sum is σ = 4858675212. Its totient is φ = 4858238112.

The previous prime is 4858456627. The next prime is 4858456667. The reversal of 4858456661 is 1666548584.

It is a happy number.

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 1092302500 + 3766154161 = 33050^2 + 61369^2 .

It is a cyclic number.

It is not a de Polignac number, because 4858456661 - 2²⁶ = 4791347797 is a prime.

It is a super-2 number, since 2×4858456661² = 47209202253630537842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4858456667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71600 + ... + 121833.

It is an arithmetic number, because the mean of its divisors is an integer number (1214668803).

Almost surely, 2^4858456661 is an apocalyptic number.

It is an amenable number.

4858456661 is a deficient number, since it is larger than the sum of its proper divisors (218551).

4858456661 is a wasteful number, since it uses less digits than its factorization.

4858456661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218550.

The product of its digits is 5529600, while the sum is 53.

The square root of 4858456661 is about 69702.6302301427. The cubic root of 4858456661 is about 1693.6855320642.

The spelling of 4858456661 in words is "four billion, eight hundred fifty-eight million, four hundred fifty-six thousand, six hundred sixty-one".