1608882266181 has 8 divisors (see below), whose sum is σ = 2150690948640. Its totient is φ = 1069830880592.

The previous prime is 1608882266153. The next prime is 1608882266197. The reversal of 1608882266181 is 1816622888061.

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 1608882266181 - 2⁵ = 1608882266149 is a prime.

It is a super-2 number, since 2×1608882266181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608882266111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689322855 + ... + 689325188.

It is an arithmetic number, because the mean of its divisors is an integer number (268836368580).

Almost surely, 2^{1608882266181} is an apocalyptic number.

It is an amenable number.

1608882266181 is a deficient number, since it is larger than the sum of its proper divisors (541808682459).

1608882266181 is a wasteful number, since it uses less digits than its factorization.

1608882266181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378648435.

The product of its (nonzero) digits is 3538944, while the sum is 57.

The spelling of 1608882266181 in words is "one trillion, six hundred eight billion, eight hundred eighty-two million, two hundred sixty-six thousand, one hundred eighty-one".