163303387201 has 2 divisors, whose sum is σ = 163303387202. Its totient is φ = 163303387200.

The previous prime is 163303387171. The next prime is 163303387211. The reversal of 163303387201 is 102783303361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95234577201 + 68068810000 = 308601^2 + 260900^2 .

It is a cyclic number.

It is not a de Polignac number, because 163303387201 - 2¹³ = 163303379009 is a prime.

It is a super-2 number, since 2×163303387201² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (163303387211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81651693600 + 81651693601.

It is an arithmetic number, because the mean of its divisors is an integer number (81651693601).

Almost surely, 2^163303387201 is an apocalyptic number.

It is an amenable number.

163303387201 is a deficient number, since it is larger than the sum of its proper divisors (1).

163303387201 is an equidigital number, since it uses as much as digits as its factorization.

163303387201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 163303387201 in words is "one hundred sixty-three billion, three hundred three million, three hundred eighty-seven thousand, two hundred one".