8241982081658 has 32 divisors (see below), whose sum is σ = 13321324603776. Its totient is φ = 3801891359808.

The previous prime is 8241982081639. The next prime is 8241982081717. The reversal of 8241982081658 is 8561802891428.

It is a self number, because there is not a number n which added to its sum of digits gives 8241982081658.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454520360 + ... + 454538492.

It is an arithmetic number, because the mean of its divisors is an integer number (416291393868).

Almost surely, 2^{8241982081658} is an apocalyptic number.

8241982081658 is a deficient number, since it is larger than the sum of its proper divisors (5079342522118).

8241982081658 is a wasteful number, since it uses less digits than its factorization.

8241982081658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26838.

The product of its (nonzero) digits is 17694720, while the sum is 62.

The spelling of 8241982081658 in words is "eight trillion, two hundred forty-one billion, nine hundred eighty-two million, eighty-one thousand, six hundred fifty-eight".