163007240477 has 2 divisors, whose sum is σ = 163007240478. Its totient is φ = 163007240476.

The previous prime is 163007240443. The next prime is 163007240479. The reversal of 163007240477 is 774042700361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156356185561 + 6651054916 = 395419^2 + 81554^2 .

It is a cyclic number.

It is not a de Polignac number, because 163007240477 - 2⁶ = 163007240413 is a prime.

Together with 163007240479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163007240479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81503620238 + 81503620239.

It is an arithmetic number, because the mean of its divisors is an integer number (81503620239).

Almost surely, 2^163007240477 is an apocalyptic number.

It is an amenable number.

163007240477 is a deficient number, since it is larger than the sum of its proper divisors (1).

163007240477 is an equidigital number, since it uses as much as digits as its factorization.

163007240477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 163007240477 in words is "one hundred sixty-three billion, seven million, two hundred forty thousand, four hundred seventy-seven".