888181641 has 48 divisors (see below), whose sum is σ = 1345481280. Its totient is φ = 564157440.

The previous prime is 888181631. The next prime is 888181649. The reversal of 888181641 is 146181888.

It is not a de Polignac number, because 888181641 - 2¹⁰ = 888180617 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (888181649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3685281 + ... + 3685521.

It is an arithmetic number, because the mean of its divisors is an integer number (28030860).

Almost surely, 2^888181641 is an apocalyptic number.

It is an amenable number.

888181641 is a deficient number, since it is larger than the sum of its proper divisors (457299639).

888181641 is a wasteful number, since it uses less digits than its factorization.

888181641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 483 counting only the distinct ones).

The product of its digits is 98304, while the sum is 45.

The square root of 888181641 is about 29802.3764320901. The cubic root of 888181641 is about 961.2446388850.

The spelling of 888181641 in words is "eight hundred eighty-eight million, one hundred eighty-one thousand, six hundred forty-one".