4665021564 has 24 divisors (see below), whose sum is σ = 12440057728. Its totient is φ = 1332863280.

The previous prime is 4665021563. The next prime is 4665021583. The reversal of 4665021564 is 4651205664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4665021563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27767902 + ... + 27768069.

Almost surely, 2^4665021564 is an apocalyptic number.

It is an amenable number.

4665021564 is an abundant number, since it is smaller than the sum of its proper divisors (7775036164).

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

4665021564 is a wasteful number, since it uses less digits than its factorization.

4665021564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55535985 (or 55535983 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 4665021564 is about 68300.9631264450. The cubic root of 4665021564 is about 1670.9029221520.

The spelling of 4665021564 in words is "four billion, six hundred sixty-five million, twenty-one thousand, five hundred sixty-four".