164555527 has 2 divisors, whose sum is σ = 164555528. Its totient is φ = 164555526.

The previous prime is 164555473. The next prime is 164555537. The reversal of 164555527 is 725555461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164555527 - 2⁷ = 164555399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164555527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164555537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82277763 + 82277764.

It is an arithmetic number, because the mean of its divisors is an integer number (82277764).

Almost surely, 2^164555527 is an apocalyptic number.

164555527 is a deficient number, since it is larger than the sum of its proper divisors (1).

164555527 is an equidigital number, since it uses as much as digits as its factorization.

164555527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 210000, while the sum is 40.

The square root of 164555527 is about 12827.9198235723. The cubic root of 164555527 is about 547.9877177260.

The spelling of 164555527 in words is "one hundred sixty-four million, five hundred fifty-five thousand, five hundred twenty-seven".