163037602253 has 2 divisors, whose sum is σ = 163037602254. Its totient is φ = 163037602252.

The previous prime is 163037602199. The next prime is 163037602279. The reversal of 163037602253 is 352206730361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162988223524 + 49378729 = 403718^2 + 7027^2 .

It is a cyclic number.

It is not a de Polignac number, because 163037602253 - 2¹⁴ = 163037585869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163037602853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81518801126 + 81518801127.

It is an arithmetic number, because the mean of its divisors is an integer number (81518801127).

Almost surely, 2^163037602253 is an apocalyptic number.

It is an amenable number.

163037602253 is a deficient number, since it is larger than the sum of its proper divisors (1).

163037602253 is an equidigital number, since it uses as much as digits as its factorization.

163037602253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 163037602253 in words is "one hundred sixty-three billion, thirty-seven million, six hundred two thousand, two hundred fifty-three".