164303987 has 2 divisors, whose sum is σ = 164303988. Its totient is φ = 164303986.

The previous prime is 164303969. The next prime is 164304037. The reversal of 164303987 is 789303461.

164303987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164303987 - 2²⁶ = 97195123 is a prime.

It is not a weakly prime, because it can be changed into another prime (164303287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82151993 + 82151994.

It is an arithmetic number, because the mean of its divisors is an integer number (82151994).

Almost surely, 2^164303987 is an apocalyptic number.

164303987 is a deficient number, since it is larger than the sum of its proper divisors (1).

164303987 is an equidigital number, since it uses as much as digits as its factorization.

164303987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 164303987 is about 12818.1116784026. Note that the first 3 decimals coincide. The cubic root of 164303987 is about 547.7083568575.

The spelling of 164303987 in words is "one hundred sixty-four million, three hundred three thousand, nine hundred eighty-seven".