6434505161 has 8 divisors (see below), whose sum is σ = 7364850624. Its totient is φ = 5506942320.

The previous prime is 6434505149. The next prime is 6434505163. The reversal of 6434505161 is 1615054346.

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 6434505161 - 2¹⁴ = 6434488777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6434505163) 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, 690695 + ... + 699948.

It is an arithmetic number, because the mean of its divisors is an integer number (920606328).

Almost surely, 2^6434505161 is an apocalyptic number.

It is an amenable number.

6434505161 is a deficient number, since it is larger than the sum of its proper divisors (930345463).

6434505161 is a wasteful number, since it uses less digits than its factorization.

6434505161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391311.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 6434505161 is about 80215.3673618715. The cubic root of 6434505161 is about 1859.9661959594.

The spelling of 6434505161 in words is "six billion, four hundred thirty-four million, five hundred five thousand, one hundred sixty-one".