4666642056 has 48 divisors (see below), whose sum is σ = 12648243660. Its totient is φ = 1554387840.

The previous prime is 4666642033. The next prime is 4666642067. The reversal of 4666642056 is 6502466664.

It can be written as a sum of positive squares in 2 ways, for example, as 4202928900 + 463713156 = 64830^2 + 21534^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75966 + ... + 122898.

Almost surely, 2^4666642056 is an apocalyptic number.

It is an amenable number.

4666642056 is an abundant number, since it is smaller than the sum of its proper divisors (7981601604).

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

4666642056 is a wasteful number, since it uses less digits than its factorization.

4666642056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48326 (or 48319 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The square root of 4666642056 is about 68312.8249745244. The cubic root of 4666642056 is about 1671.0963740163.

The spelling of 4666642056 in words is "four billion, six hundred sixty-six million, six hundred forty-two thousand, fifty-six".