5632336661 has 4 divisors (see below), whose sum is σ = 6436956192. Its totient is φ = 4827717132.

The previous prime is 5632336643. The next prime is 5632336733. The reversal of 5632336661 is 1666332365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1666332365 = 5 ⋅333266473.

It is not a de Polignac number, because 5632336661 - 2⁶ = 5632336597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5632336621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402309755 + ... + 402309768.

It is an arithmetic number, because the mean of its divisors is an integer number (1609239048).

Almost surely, 2^5632336661 is an apocalyptic number.

It is an amenable number.

5632336661 is a deficient number, since it is larger than the sum of its proper divisors (804619531).

5632336661 is an equidigital number, since it uses as much as digits as its factorization.

5632336661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804619530.

The product of its digits is 349920, while the sum is 41.

The square root of 5632336661 is about 75048.8951351051. The cubic root of 5632336661 is about 1779.2195228552.

The spelling of 5632336661 in words is "five billion, six hundred thirty-two million, three hundred thirty-six thousand, six hundred sixty-one".