163204087 has 2 divisors, whose sum is σ = 163204088. Its totient is φ = 163204086.

The previous prime is 163204061. The next prime is 163204103. The reversal of 163204087 is 780402361.

It is a strong prime.

It is an emirp because it is prime and its reverse (780402361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163204087 - 2⁷ = 163203959 is a prime.

It is equal to p_9143905 and since 163204087 and 9143905 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163204037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81602043 + 81602044.

It is an arithmetic number, because the mean of its divisors is an integer number (81602044).

Almost surely, 2^163204087 is an apocalyptic number.

163204087 is a deficient number, since it is larger than the sum of its proper divisors (1).

163204087 is an equidigital number, since it uses as much as digits as its factorization.

163204087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 163204087 is about 12775.1354983029. The cubic root of 163204087 is about 546.4834449847.

The spelling of 163204087 in words is "one hundred sixty-three million, two hundred four thousand, eighty-seven".