168128680922 has 8 divisors (see below), whose sum is σ = 252194762496. Its totient is φ = 84063760092.

The previous prime is 168128680891. The next prime is 168128680933. The reversal of 168128680922 is 229086821861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405383 + ... + 707525.

It is an arithmetic number, because the mean of its divisors is an integer number (31524345312).

Almost surely, 2^168128680922 is an apocalyptic number.

168128680922 is a deficient number, since it is larger than the sum of its proper divisors (84066081574).

168128680922 is a wasteful number, since it uses less digits than its factorization.

168128680922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580372.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 168128680922 in words is "one hundred sixty-eight billion, one hundred twenty-eight million, six hundred eighty thousand, nine hundred twenty-two".