168012890236801 has 8 divisors (see below), whose sum is σ = 168179649660000. Its totient is φ = 167846201020800.

The previous prime is 168012890236781. The next prime is 168012890236823. The reversal of 168012890236801 is 108632098210861.

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 168012890236801 - 2¹³ = 168012890228609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168012890234801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12762576 + ... + 22336273.

It is an arithmetic number, because the mean of its divisors is an integer number (21022456207500).

Almost surely, 2^{168012890236801} is an apocalyptic number.

It is an amenable number.

168012890236801 is a deficient number, since it is larger than the sum of its proper divisors (166759423199).

168012890236801 is a wasteful number, since it uses less digits than its factorization.

168012890236801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35103599.

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

The spelling of 168012890236801 in words is "one hundred sixty-eight trillion, twelve billion, eight hundred ninety million, two hundred thirty-six thousand, eight hundred one".