164526653 has 4 divisors (see below), whose sum is σ = 165245340. Its totient is φ = 163807968.

The previous prime is 164526631. The next prime is 164526673. The reversal of 164526653 is 356625461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356625461 = 15439 ⋅23099.

It can be written as a sum of positive squares in 2 ways, for example, as 120077764 + 44448889 = 10958^2 + 6667^2 .

It is a cyclic number.

It is not a de Polignac number, because 164526653 - 2⁶ = 164526589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164526623) 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 in 3 ways as a sum of consecutive naturals, for example, 359000 + ... + 359457.

It is an arithmetic number, because the mean of its divisors is an integer number (41311335).

Almost surely, 2^164526653 is an apocalyptic number.

It is an amenable number.

164526653 is a deficient number, since it is larger than the sum of its proper divisors (718687).

164526653 is an equidigital number, since it uses as much as digits as its factorization.

164526653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718686.

The product of its digits is 129600, while the sum is 38.

The square root of 164526653 is about 12826.7943384152. The cubic root of 164526653 is about 547.9556646694.

The spelling of 164526653 in words is "one hundred sixty-four million, five hundred twenty-six thousand, six hundred fifty-three".