163325444523377 has 2 divisors, whose sum is σ = 163325444523378. Its totient is φ = 163325444523376.

The previous prime is 163325444523349. The next prime is 163325444523379. The reversal of 163325444523377 is 773325444523361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160706303646001 + 2619140877376 = 12676999^2 + 1618376^2 .

It is a cyclic number.

It is not a de Polignac number, because 163325444523377 - 2⁸ = 163325444523121 is a prime.

Together with 163325444523379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (163325444523379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81662722261688 + 81662722261689.

It is an arithmetic number, because the mean of its divisors is an integer number (81662722261689).

Almost surely, 2^{163325444523377} is an apocalyptic number.

It is an amenable number.

163325444523377 is a deficient number, since it is larger than the sum of its proper divisors (1).

163325444523377 is an equidigital number, since it uses as much as digits as its factorization.

163325444523377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 152409600, while the sum is 59.

The spelling of 163325444523377 in words is "one hundred sixty-three trillion, three hundred twenty-five billion, four hundred forty-four million, five hundred twenty-three thousand, three hundred seventy-seven".