18147035882645 has 8 divisors (see below), whose sum is σ = 22723244931456. Its totient is φ = 13886427457936.

The previous prime is 18147035882593. The next prime is 18147035882681. The reversal of 18147035882645 is 54628853074181.

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 18147035882645 - 2⁸ = 18147035882389 is a prime.

It is a super-2 number, since 2×18147035882645² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78900155897 + ... + 78900156126.

It is an arithmetic number, because the mean of its divisors is an integer number (2840405616432).

Almost surely, 2^{18147035882645} is an apocalyptic number.

It is an amenable number.

18147035882645 is a deficient number, since it is larger than the sum of its proper divisors (4576209048811).

18147035882645 is a wasteful number, since it uses less digits than its factorization.

18147035882645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157800312051.

The product of its (nonzero) digits is 51609600, while the sum is 62.

The spelling of 18147035882645 in words is "eighteen trillion, one hundred forty-seven billion, thirty-five million, eight hundred eighty-two thousand, six hundred forty-five".