162343661 has 2 divisors, whose sum is σ = 162343662. Its totient is φ = 162343660.

The previous prime is 162343639. The next prime is 162343667. The reversal of 162343661 is 166343261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117050761 + 45292900 = 10819^2 + 6730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162343661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162343667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81171830 + 81171831.

It is an arithmetic number, because the mean of its divisors is an integer number (81171831).

Almost surely, 2^162343661 is an apocalyptic number.

It is an amenable number.

162343661 is a deficient number, since it is larger than the sum of its proper divisors (1).

162343661 is an equidigital number, since it uses as much as digits as its factorization.

162343661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 162343661 is about 12741.4151882748. The cubic root of 162343661 is about 545.5213830479.

The spelling of 162343661 in words is "one hundred sixty-two million, three hundred forty-three thousand, six hundred sixty-one".