4032564661 has 8 divisors (see below), whose sum is σ = 4165558784. Its totient is φ = 3899752560.

The previous prime is 4032564659. The next prime is 4032564673. The reversal of 4032564661 is 1664652304.

4032564661 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4032564661 - 2¹ = 4032564659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4032564661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032565661) 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, 280 + ... + 89806.

It is an arithmetic number, because the mean of its divisors is an integer number (520694848).

Almost surely, 2^4032564661 is an apocalyptic number.

It is an amenable number.

4032564661 is a deficient number, since it is larger than the sum of its proper divisors (132994123).

4032564661 is a wasteful number, since it uses less digits than its factorization.

4032564661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91011.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 4032564661 is about 63502.4775973347. The cubic root of 4032564661 is about 1591.6971792414.

The spelling of 4032564661 in words is "four billion, thirty-two million, five hundred sixty-four thousand, six hundred sixty-one".