162864061 has 2 divisors, whose sum is σ = 162864062. Its totient is φ = 162864060.

The previous prime is 162864059. The next prime is 162864073. The reversal of 162864061 is 160468261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139098436 + 23765625 = 11794^2 + 4875^2 .

It is a cyclic number.

It is not a de Polignac number, because 162864061 - 2¹ = 162864059 is a prime.

Together with 162864059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162864041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81432030 + 81432031.

It is an arithmetic number, because the mean of its divisors is an integer number (81432031).

Almost surely, 2^162864061 is an apocalyptic number.

It is an amenable number.

162864061 is a deficient number, since it is larger than the sum of its proper divisors (1).

162864061 is an equidigital number, since it uses as much as digits as its factorization.

162864061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 162864061 is about 12761.8204422410. The cubic root of 162864061 is about 546.1036592000.

The spelling of 162864061 in words is "one hundred sixty-two million, eight hundred sixty-four thousand, sixty-one".