163043111051608 has 16 divisors (see below), whose sum is σ = 305731764846000. Its totient is φ = 81514640426016.

The previous prime is 163043111051591. The next prime is 163043111051663. The reversal of 163043111051608 is 806150111340361.

It is a super-2 number, since 2×163043111051608² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 864287268 + ... + 864475891.

It is an arithmetic number, because the mean of its divisors is an integer number (19108235302875).

Almost surely, 2^{163043111051608} is an apocalyptic number.

It is an amenable number.

163043111051608 is a deficient number, since it is larger than the sum of its proper divisors (142688653794392).

163043111051608 is a wasteful number, since it uses less digits than its factorization.

163043111051608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728774954 (or 1728774950 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

Adding to 163043111051608 its reverse (806150111340361), we get a palindrome (969193222391969).

The spelling of 163043111051608 in words is "one hundred sixty-three trillion, forty-three billion, one hundred eleven million, fifty-one thousand, six hundred eight".