164143547 has 2 divisors, whose sum is σ = 164143548. Its totient is φ = 164143546.

The previous prime is 164143477. The next prime is 164143579. The reversal of 164143547 is 745341461.

164143547 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 164143547 - 2¹⁶ = 164078011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164143247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82071773 + 82071774.

It is an arithmetic number, because the mean of its divisors is an integer number (82071774).

Almost surely, 2^164143547 is an apocalyptic number.

164143547 is a deficient number, since it is larger than the sum of its proper divisors (1).

164143547 is an equidigital number, since it uses as much as digits as its factorization.

164143547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 164143547 is about 12811.8518177506. The cubic root of 164143547 is about 547.5300228874.

The spelling of 164143547 in words is "one hundred sixty-four million, one hundred forty-three thousand, five hundred forty-seven".