163450633399 has 2 divisors, whose sum is σ = 163450633400. Its totient is φ = 163450633398.

The previous prime is 163450633327. The next prime is 163450633447. The reversal of 163450633399 is 993336054361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163450633399 - 2¹³ = 163450625207 is a prime.

It is a super-2 number, since 2×163450633399² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163450633999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81725316699 + 81725316700.

It is an arithmetic number, because the mean of its divisors is an integer number (81725316700).

Almost surely, 2^163450633399 is an apocalyptic number.

163450633399 is a deficient number, since it is larger than the sum of its proper divisors (1).

163450633399 is an equidigital number, since it uses as much as digits as its factorization.

163450633399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4723920, while the sum is 52.

The spelling of 163450633399 in words is "one hundred sixty-three billion, four hundred fifty million, six hundred thirty-three thousand, three hundred ninety-nine".