162208987 has 2 divisors, whose sum is σ = 162208988. Its totient is φ = 162208986.

The previous prime is 162208939. The next prime is 162209011. The reversal of 162208987 is 789802261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162208987 - 2⁷ = 162208859 is a prime.

It is not a weakly prime, because it can be changed into another prime (162208927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81104493 + 81104494.

It is an arithmetic number, because the mean of its divisors is an integer number (81104494).

Almost surely, 2^162208987 is an apocalyptic number.

162208987 is a deficient number, since it is larger than the sum of its proper divisors (1).

162208987 is an equidigital number, since it uses as much as digits as its factorization.

162208987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 162208987 is about 12736.1292000356. The cubic root of 162208987 is about 545.3704935276.

The spelling of 162208987 in words is "one hundred sixty-two million, two hundred eight thousand, nine hundred eighty-seven".