4821855966 has 40 divisors (see below), whose sum is σ = 10810476864. Its totient is φ = 1606400640.

The previous prime is 4821855949. The next prime is 4821855977. The reversal of 4821855966 is 6695581284.

4821855966 is a `hidden beast` number, since 4 + 8 + 21 + 8 + 559 + 66 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 329971 + ... + 344273.

Almost surely, 2^4821855966 is an apocalyptic number.

4821855966 is an abundant number, since it is smaller than the sum of its proper divisors (5988620898).

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

4821855966 is a wasteful number, since it uses less digits than its factorization.

4821855966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16398 (or 16389 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 4821855966 is about 69439.5850074005. The cubic root of 4821855966 is about 1689.4217371995.

The spelling of 4821855966 in words is "four billion, eight hundred twenty-one million, eight hundred fifty-five thousand, nine hundred sixty-six".