168383718355 has 8 divisors (see below), whose sum is σ = 202113954000. Its totient is φ = 134671313376.

The previous prime is 168383718329. The next prime is 168383718383. The reversal of 168383718355 is 553817383861.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 168383718355 - 2¹³ = 168383710163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168383718355.

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, 4436880 + ... + 4474669.

It is an arithmetic number, because the mean of its divisors is an integer number (25264244250).

Almost surely, 2^168383718355 is an apocalyptic number.

168383718355 is a deficient number, since it is larger than the sum of its proper divisors (33730235645).

168383718355 is an equidigital number, since it uses as much as digits as its factorization.

168383718355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915333.

The product of its digits is 14515200, while the sum is 58.

The spelling of 168383718355 in words is "one hundred sixty-eight billion, three hundred eighty-three million, seven hundred eighteen thousand, three hundred fifty-five".