162864461 has 2 divisors, whose sum is σ = 162864462. Its totient is φ = 162864460.

The previous prime is 162864439. The next prime is 162864467. The reversal of 162864461 is 164468261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121660900 + 41203561 = 11030^2 + 6419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162864461 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 (162864467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81432230 + 81432231.

It is an arithmetic number, because the mean of its divisors is an integer number (81432231).

Almost surely, 2^162864461 is an apocalyptic number.

It is an amenable number.

162864461 is a deficient number, since it is larger than the sum of its proper divisors (1).

162864461 is an equidigital number, since it uses as much as digits as its factorization.

162864461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 162864461 is about 12761.8361139767. The cubic root of 162864461 is about 546.1041062831.

The spelling of 162864461 in words is "one hundred sixty-two million, eight hundred sixty-four thousand, four hundred sixty-one".