164617357 has 2 divisors, whose sum is σ = 164617358. Its totient is φ = 164617356.

The previous prime is 164617309. The next prime is 164617429. The reversal of 164617357 is 753716461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88247236 + 76370121 = 9394^2 + 8739^2 .

It is an emirp because it is prime and its reverse (753716461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164617357 - 2²³ = 156228749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164617757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82308678 + 82308679.

It is an arithmetic number, because the mean of its divisors is an integer number (82308679).

Almost surely, 2^164617357 is an apocalyptic number.

It is an amenable number.

164617357 is a deficient number, since it is larger than the sum of its proper divisors (1).

164617357 is an equidigital number, since it uses as much as digits as its factorization.

164617357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 164617357 is about 12830.3295748784. The cubic root of 164617357 is about 548.0563426627.

The spelling of 164617357 in words is "one hundred sixty-four million, six hundred seventeen thousand, three hundred fifty-seven".