162363989 has 2 divisors, whose sum is σ = 162363990. Its totient is φ = 162363988.

The previous prime is 162363967. The next prime is 162364009. The reversal of 162363989 is 989363261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119028100 + 43335889 = 10910^2 + 6583^2 .

It is a cyclic number.

It is not a de Polignac number, because 162363989 - 2¹⁶ = 162298453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162363589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81181994 + 81181995.

It is an arithmetic number, because the mean of its divisors is an integer number (81181995).

Almost surely, 2^162363989 is an apocalyptic number.

It is an amenable number.

162363989 is a deficient number, since it is larger than the sum of its proper divisors (1).

162363989 is an equidigital number, since it uses as much as digits as its factorization.

162363989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 162363989 is about 12742.2128768907. The cubic root of 162363989 is about 545.5441514060.

The spelling of 162363989 in words is "one hundred sixty-two million, three hundred sixty-three thousand, nine hundred eighty-nine".