168673430654 has 32 divisors (see below), whose sum is σ = 260524188000. Its totient is φ = 81870283264.

The previous prime is 168673430641. The next prime is 168673430711. The reversal of 168673430654 is 456034376861.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 168673430596 and 168673430605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8486192 + ... + 8506044.

It is an arithmetic number, because the mean of its divisors is an integer number (8141380875).

Almost surely, 2^168673430654 is an apocalyptic number.

168673430654 is a deficient number, since it is larger than the sum of its proper divisors (91850757346).

168673430654 is a wasteful number, since it uses less digits than its factorization.

168673430654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20812.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 168673430654 in words is "one hundred sixty-eight billion, six hundred seventy-three million, four hundred thirty thousand, six hundred fifty-four".