18041628891356 has 24 divisors (see below), whose sum is σ = 36254268494976. Its totient is φ = 7695481515120.

The previous prime is 18041628891313. The next prime is 18041628891401. The reversal of 18041628891356 is 65319882614081.

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 7 ways as a sum of consecutive naturals, for example, 1526875346 + ... + 1526887161.

It is an arithmetic number, because the mean of its divisors is an integer number (1510594520624).

Almost surely, 2^{18041628891356} is an apocalyptic number.

It is an amenable number.

18041628891356 is an abundant number, since it is smaller than the sum of its proper divisors (18212639603620).

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

18041628891356 is a wasteful number, since it uses less digits than its factorization.

18041628891356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053762729 (or 3053762727 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 62.

The spelling of 18041628891356 in words is "eighteen trillion, forty-one billion, six hundred twenty-eight million, eight hundred ninety-one thousand, three hundred fifty-six".