164770553 has 2 divisors, whose sum is σ = 164770554. Its totient is φ = 164770552.

The previous prime is 164770519. The next prime is 164770561. The reversal of 164770553 is 355077461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130804969 + 33965584 = 11437^2 + 5828^2 .

It is a cyclic number.

It is not a de Polignac number, because 164770553 - 2¹⁴ = 164754169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164776553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82385276 + 82385277.

It is an arithmetic number, because the mean of its divisors is an integer number (82385277).

Almost surely, 2^164770553 is an apocalyptic number.

It is an amenable number.

164770553 is a deficient number, since it is larger than the sum of its proper divisors (1).

164770553 is an equidigital number, since it uses as much as digits as its factorization.

164770553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 164770553 is about 12836.2982592335. The cubic root of 164770553 is about 548.2263004556.

The spelling of 164770553 in words is "one hundred sixty-four million, seven hundred seventy thousand, five hundred fifty-three".