164767541 has 2 divisors, whose sum is σ = 164767542. Its totient is φ = 164767540.

The previous prime is 164767523. The next prime is 164767567. The reversal of 164767541 is 145767461.

164767541 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 can be written as a sum of positive squares in only one way, i.e., 128165041 + 36602500 = 11321^2 + 6050^2 .

It is a cyclic number.

It is not a de Polignac number, because 164767541 - 2²⁶ = 97658677 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 (164767591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82383770 + 82383771.

It is an arithmetic number, because the mean of its divisors is an integer number (82383771).

Almost surely, 2^164767541 is an apocalyptic number.

It is an amenable number.

164767541 is a deficient number, since it is larger than the sum of its proper divisors (1).

164767541 is an equidigital number, since it uses as much as digits as its factorization.

164767541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 164767541 is about 12836.1809351536. The cubic root of 164767541 is about 548.2229599160. Note that the first 3 decimals are identical.

The spelling of 164767541 in words is "one hundred sixty-four million, seven hundred sixty-seven thousand, five hundred forty-one".