168885262641 has 8 divisors (see below), whose sum is σ = 228351904704. Its totient is φ = 111004397840.

The previous prime is 168885262633. The next prime is 168885262673. The reversal of 168885262641 is 146262588861.

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 168885262641 - 2³ = 168885262633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168885262631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396444066 + ... + 396444491.

It is an arithmetic number, because the mean of its divisors is an integer number (28543988088).

Almost surely, 2^168885262641 is an apocalyptic number.

It is an amenable number.

168885262641 is a deficient number, since it is larger than the sum of its proper divisors (59466642063).

168885262641 is an equidigital number, since it uses as much as digits as its factorization.

168885262641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792888631.

The product of its digits is 8847360, while the sum is 57.

The spelling of 168885262641 in words is "one hundred sixty-eight billion, eight hundred eighty-five million, two hundred sixty-two thousand, six hundred forty-one".