164550653 has 2 divisors, whose sum is σ = 164550654. Its totient is φ = 164550652.

The previous prime is 164550649. The next prime is 164550677. The reversal of 164550653 is 356055461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139169209 + 25381444 = 11797^2 + 5038^2 .

It is a cyclic number.

It is not a de Polignac number, because 164550653 - 2² = 164550649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164550613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82275326 + 82275327.

It is an arithmetic number, because the mean of its divisors is an integer number (82275327).

Almost surely, 2^164550653 is an apocalyptic number.

It is an amenable number.

164550653 is a deficient number, since it is larger than the sum of its proper divisors (1).

164550653 is an equidigital number, since it uses as much as digits as its factorization.

164550653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 164550653 is about 12827.7298459236. The cubic root of 164550653 is about 547.9823073568.

The spelling of 164550653 in words is "one hundred sixty-four million, five hundred fifty thousand, six hundred fifty-three".