17818149061 has 8 divisors (see below), whose sum is σ = 18758373920. Its totient is φ = 16878166992.

The previous prime is 17818149049. The next prime is 17818149103. The reversal of 17818149061 is 16094181871.

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 17818149061 - 2¹¹ = 17818147013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17818144061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101026 + ... + 214108.

It is an arithmetic number, because the mean of its divisors is an integer number (2344796740).

Almost surely, 2^17818149061 is an apocalyptic number.

It is an amenable number.

17818149061 is a deficient number, since it is larger than the sum of its proper divisors (940224859).

17818149061 is a wasteful number, since it uses less digits than its factorization.

17818149061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121395.

The product of its (nonzero) digits is 96768, while the sum is 46.

The spelling of 17818149061 in words is "seventeen billion, eight hundred eighteen million, one hundred forty-nine thousand, sixty-one".