164155487 has 2 divisors, whose sum is σ = 164155488. Its totient is φ = 164155486.

The previous prime is 164155403. The next prime is 164155493. The reversal of 164155487 is 784551461.

164155487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164155487 - 2¹⁸ = 163893343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164155987) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82077743 + 82077744.

It is an arithmetic number, because the mean of its divisors is an integer number (82077744).

Almost surely, 2^164155487 is an apocalyptic number.

164155487 is a deficient number, since it is larger than the sum of its proper divisors (1).

164155487 is an equidigital number, since it uses as much as digits as its factorization.

164155487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 41.

The square root of 164155487 is about 12812.3177840701. The cubic root of 164155487 is about 547.5432985641.

The spelling of 164155487 in words is "one hundred sixty-four million, one hundred fifty-five thousand, four hundred eighty-seven".