163254688328 has 32 divisors (see below), whose sum is σ = 311110329600. Its totient is φ = 80302013952.

The previous prime is 163254688307. The next prime is 163254688351. The reversal of 163254688328 is 823886452361.

It is a super-2 number, since 2×163254688328² (a number of 23 digits) contains 22 as substring.

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, 500288 + ... + 759471.

It is an arithmetic number, because the mean of its divisors is an integer number (9722197800).

Almost surely, 2^163254688328 is an apocalyptic number.

It is an amenable number.

163254688328 is a deficient number, since it is larger than the sum of its proper divisors (147855641272).

163254688328 is a wasteful number, since it uses less digits than its factorization.

163254688328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260029 (or 1260025 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 56.

The spelling of 163254688328 in words is "one hundred sixty-three billion, two hundred fifty-four million, six hundred eighty-eight thousand, three hundred twenty-eight".