163251509503153 has 2 divisors, whose sum is σ = 163251509503154. Its totient is φ = 163251509503152.

The previous prime is 163251509503127. The next prime is 163251509503217. The reversal of 163251509503153 is 351305905152361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154089222439824 + 9162287063329 = 12413268^2 + 3026927^2 .

It is a cyclic number.

It is not a de Polignac number, because 163251509503153 - 2³⁷ = 163114070549681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163251509503097 and 163251509503106.

It is not a weakly prime, because it can be changed into another prime (163251509503253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81625754751576 + 81625754751577.

It is an arithmetic number, because the mean of its divisors is an integer number (81625754751577).

Almost surely, 2^{163251509503153} is an apocalyptic number.

It is an amenable number.

163251509503153 is a deficient number, since it is larger than the sum of its proper divisors (1).

163251509503153 is an equidigital number, since it uses as much as digits as its factorization.

163251509503153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1822500, while the sum is 49.

The spelling of 163251509503153 in words is "one hundred sixty-three trillion, two hundred fifty-one billion, five hundred nine million, five hundred three thousand, one hundred fifty-three".