6429118161 has 4 divisors (see below), whose sum is σ = 8572157552. Its totient is φ = 4286078772.

The previous prime is 6429118147. The next prime is 6429118177. The reversal of 6429118161 is 1618119246.

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 not a de Polignac number, because 6429118161 - 2⁹ = 6429117649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6429118961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071519691 + ... + 1071519696.

It is an arithmetic number, because the mean of its divisors is an integer number (2143039388).

Almost surely, 2^6429118161 is an apocalyptic number.

It is an amenable number.

6429118161 is a deficient number, since it is larger than the sum of its proper divisors (2143039391).

6429118161 is a wasteful number, since it uses less digits than its factorization.

6429118161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143039390.

The product of its digits is 20736, while the sum is 39.

The square root of 6429118161 is about 80181.7819769553. The cubic root of 6429118161 is about 1859.4469933628.

The spelling of 6429118161 in words is "six billion, four hundred twenty-nine million, one hundred eighteen thousand, one hundred sixty-one".