18206252632116 has 72 divisors (see below), whose sum is σ = 46114727218560. Its totient is φ = 6056449923456.

The previous prime is 18206252632103. The next prime is 18206252632153. The reversal of 18206252632116 is 61123625260281.

18206252632116 is a `hidden beast` number, since 1 + 8 + 2 + 0 + 6 + 2 + 5 + 2 + 632 + 1 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39330040 + ... + 39790256.

It is an arithmetic number, because the mean of its divisors is an integer number (640482322480).

Almost surely, 2^{18206252632116} is an apocalyptic number.

It is an amenable number.

18206252632116 is an abundant number, since it is smaller than the sum of its proper divisors (27908474586444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18206252632116 is a wasteful number, since it uses less digits than its factorization.

18206252632116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462453 (or 462448 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

Adding to 18206252632116 its reverse (61123625260281), we get a palindrome (79329877892397).

The spelling of 18206252632116 in words is "eighteen trillion, two hundred six billion, two hundred fifty-two million, six hundred thirty-two thousand, one hundred sixteen".