163263605416 has 32 divisors (see below), whose sum is σ = 309247748640. Its totient is φ = 80798861248.

The previous prime is 163263605389. The next prime is 163263605431. The reversal of 163263605416 is 614506362361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913530 + ... + 1077526.

It is an arithmetic number, because the mean of its divisors is an integer number (9663992145).

Almost surely, 2^163263605416 is an apocalyptic number.

It is an amenable number.

163263605416 is a deficient number, since it is larger than the sum of its proper divisors (145984143224).

163263605416 is a wasteful number, since it uses less digits than its factorization.

163263605416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165273 (or 165269 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

Adding to 163263605416 its reverse (614506362361), we get a palindrome (777769967777).

The spelling of 163263605416 in words is "one hundred sixty-three billion, two hundred sixty-three million, six hundred five thousand, four hundred sixteen".