6432141661 has 4 divisors (see below), whose sum is σ = 7016881824. Its totient is φ = 5847401500.

The previous prime is 6432141647. The next prime is 6432141673. The reversal of 6432141661 is 1661412346.

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.

It is a cyclic number.

It is not a de Polignac number, because 6432141661 - 2⁵ = 6432141629 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 (6432141691) 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, 292370065 + ... + 292370086.

It is an arithmetic number, because the mean of its divisors is an integer number (1754220456).

Almost surely, 2^6432141661 is an apocalyptic number.

It is an amenable number.

6432141661 is a deficient number, since it is larger than the sum of its proper divisors (584740163).

6432141661 is a wasteful number, since it uses less digits than its factorization.

6432141661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584740162.

The product of its digits is 20736, while the sum is 34.

The square root of 6432141661 is about 80200.6337942538. The cubic root of 6432141661 is about 1859.7384359712.

The spelling of 6432141661 in words is "six billion, four hundred thirty-two million, one hundred forty-one thousand, six hundred sixty-one".