4866618456 has 128 divisors (see below), whose sum is σ = 15765120000. Its totient is φ = 1390441248.

The previous prime is 4866618443. The next prime is 4866618457. The reversal of 4866618456 is 6548166684.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4866618457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41245 + ... + 106931.

It is an arithmetic number, because the mean of its divisors is an integer number (123165000).

Almost surely, 2^4866618456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4866618456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7882560000).

4866618456 is an abundant number, since it is smaller than the sum of its proper divisors (10898501544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4866618456 is a wasteful number, since it uses less digits than its factorization.

4866618456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65723 (or 65699 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 4866618456 is about 69761.1529147849. The cubic root of 4866618456 is about 1694.6334174738.

The spelling of 4866618456 in words is "four billion, eight hundred sixty-six million, six hundred eighteen thousand, four hundred fifty-six".