8183545508381 has 8 divisors (see below), whose sum is σ = 8322574446240. Its totient is φ = 8044527396528.

The previous prime is 8183545508363. The next prime is 8183545508393. The reversal of 8183545508381 is 1838055453818.

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 8183545508381 - 2⁴² = 3785498997277 is a prime.

It is a super-2 number, since 2×8183545508381² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8183545508381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8183545508321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174526 + ... + 4212671.

It is an arithmetic number, because the mean of its divisors is an integer number (1040321805780).

Almost surely, 2^{8183545508381} is an apocalyptic number.

It is an amenable number.

8183545508381 is a deficient number, since it is larger than the sum of its proper divisors (139028937859).

8183545508381 is a wasteful number, since it uses less digits than its factorization.

8183545508381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413003.

The product of its (nonzero) digits is 18432000, while the sum is 59.

The spelling of 8183545508381 in words is "eight trillion, one hundred eighty-three billion, five hundred forty-five million, five hundred eight thousand, three hundred eighty-one".