168954156316 has 12 divisors (see below), whose sum is σ = 322548843960. Its totient is φ = 76797343760.

The previous prime is 168954156289. The next prime is 168954156317. The reversal of 168954156316 is 613651459861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168954156317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919933551 + ... + 1919933638.

It is an arithmetic number, because the mean of its divisors is an integer number (26879070330).

Almost surely, 2^168954156316 is an apocalyptic number.

It is an amenable number.

168954156316 is a deficient number, since it is larger than the sum of its proper divisors (153594687644).

168954156316 is a wasteful number, since it uses less digits than its factorization.

168954156316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839867204 (or 3839867202 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 55.

The spelling of 168954156316 in words is "one hundred sixty-eight billion, nine hundred fifty-four million, one hundred fifty-six thousand, three hundred sixteen".