168100644883958 has 16 divisors (see below), whose sum is σ = 252816205211136. Its totient is φ = 83828588425920.

The previous prime is 168100644883903. The next prime is 168100644884009. The reversal of 168100644883958 is 859388446001861.

It is a junction number, because it is equal to n+sod(n) for n = 168100644883891 and 168100644883900.

It is a congruent number.

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, 25353578 + ... + 31289058.

It is an arithmetic number, because the mean of its divisors is an integer number (15801012825696).

Almost surely, 2^{168100644883958} is an apocalyptic number.

168100644883958 is a deficient number, since it is larger than the sum of its proper divisors (84715560327178).

168100644883958 is a wasteful number, since it uses less digits than its factorization.

168100644883958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972839.

The product of its (nonzero) digits is 318504960, while the sum is 71.

The spelling of 168100644883958 in words is "one hundred sixty-eight trillion, one hundred billion, six hundred forty-four million, eight hundred eighty-three thousand, nine hundred fifty-eight".