163616453153 has 4 divisors (see below), whose sum is σ = 163617394068. Its totient is φ = 163615512240.

The previous prime is 163616453141. The next prime is 163616453167. The reversal of 163616453153 is 351354616361.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10772986849 + 152843466304 = 103793^2 + 390952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163616453153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163616453173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125126 + ... + 585567.

It is an arithmetic number, because the mean of its divisors is an integer number (40904348517).

Almost surely, 2^163616453153 is an apocalyptic number.

It is an amenable number.

163616453153 is a deficient number, since it is larger than the sum of its proper divisors (940915).

163616453153 is an equidigital number, since it uses as much as digits as its factorization.

163616453153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940914.

The product of its digits is 583200, while the sum is 44.

The spelling of 163616453153 in words is "one hundred sixty-three billion, six hundred sixteen million, four hundred fifty-three thousand, one hundred fifty-three".