168132128698 has 16 divisors (see below), whose sum is σ = 257653436544. Its totient is φ = 82248890560.

The previous prime is 168132128687. The next prime is 168132128713. The reversal of 168132128698 is 896821231861.

It is a happy number.

168132128698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 36388 + ... + 581023.

It is an arithmetic number, because the mean of its divisors is an integer number (16103339784).

Almost surely, 2^168132128698 is an apocalyptic number.

168132128698 is a deficient number, since it is larger than the sum of its proper divisors (89521307846).

168132128698 is a wasteful number, since it uses less digits than its factorization.

168132128698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620357.

The product of its digits is 1990656, while the sum is 55.

The spelling of 168132128698 in words is "one hundred sixty-eight billion, one hundred thirty-two million, one hundred twenty-eight thousand, six hundred ninety-eight".