468164861 has 2 divisors, whose sum is σ = 468164862. Its totient is φ = 468164860.

The previous prime is 468164849. The next prime is 468164881. The reversal of 468164861 is 168461864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278689636 + 189475225 = 16694^2 + 13765^2 .

It is a cyclic number.

It is not a de Polignac number, because 468164861 - 2¹⁴ = 468148477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468164881) 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 as a sum of consecutive naturals, namely, 234082430 + 234082431.

It is an arithmetic number, because the mean of its divisors is an integer number (234082431).

Almost surely, 2^468164861 is an apocalyptic number.

It is an amenable number.

468164861 is a deficient number, since it is larger than the sum of its proper divisors (1).

468164861 is an equidigital number, since it uses as much as digits as its factorization.

468164861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 44.

The square root of 468164861 is about 21637.1176684881. The cubic root of 468164861 is about 776.4847629361.

The spelling of 468164861 in words is "four hundred sixty-eight million, one hundred sixty-four thousand, eight hundred sixty-one".