168537000353 has 4 divisors (see below), whose sum is σ = 170274495300. Its totient is φ = 166799505408.

The previous prime is 168537000347. The next prime is 168537000391. The reversal of 168537000353 is 353000735861.

168537000353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353000735861 = 1223 ⋅288635107.

It can be written as a sum of positive squares in 2 ways, for example, as 29279658769 + 139257341584 = 171113^2 + 373172^2 .

It is a cyclic number.

It is not a de Polignac number, because 168537000353 - 2⁴ = 168537000337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168537000353.

It is not an unprimeable number, because it can be changed into a prime (168537000343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868747328 + ... + 868747521.

It is an arithmetic number, because the mean of its divisors is an integer number (42568623825).

Almost surely, 2^168537000353 is an apocalyptic number.

It is an amenable number.

168537000353 is a deficient number, since it is larger than the sum of its proper divisors (1737494947).

168537000353 is an equidigital number, since it uses as much as digits as its factorization.

168537000353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737494946.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 168537000353 in words is "one hundred sixty-eight billion, five hundred thirty-seven million, three hundred fifty-three", and thus it is an aban number.