4161667456123 has 2 divisors, whose sum is σ = 4161667456124. Its totient is φ = 4161667456122.

The previous prime is 4161667456117. The next prime is 4161667456169. The reversal of 4161667456123 is 3216547661614.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4161667456123 is a prime.

It is a super-2 number, since 2×4161667456123² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4161667450123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080833728061 + 2080833728062.

It is an arithmetic number, because the mean of its divisors is an integer number (2080833728062).

Almost surely, 2^{4161667456123} is an apocalyptic number.

4161667456123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161667456123 is an equidigital number, since it uses as much as digits as its factorization.

4161667456123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 52.

The spelling of 4161667456123 in words is "four trillion, one hundred sixty-one billion, six hundred sixty-seven million, four hundred fifty-six thousand, one hundred twenty-three".