4161667456129 has 4 divisors (see below), whose sum is σ = 4161677667760. Its totient is φ = 4161657244500.

The previous prime is 4161667456123. The next prime is 4161667456169. The reversal of 4161667456129 is 9216547661614.

It is a happy number.

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 4161667456129 - 2¹⁹ = 4161666931841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161667456123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4467939 + ... + 5318440.

It is an arithmetic number, because the mean of its divisors is an integer number (1040419416940).

Almost surely, 2^{4161667456129} is an apocalyptic number.

It is an amenable number.

4161667456129 is a deficient number, since it is larger than the sum of its proper divisors (10211631).

4161667456129 is an equidigital number, since it uses as much as digits as its factorization.

4161667456129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211630.

The product of its digits is 13063680, while the sum is 58.

The spelling of 4161667456129 in words is "four trillion, one hundred sixty-one billion, six hundred sixty-seven million, four hundred fifty-six thousand, one hundred twenty-nine".