18671041366400 has 96 divisors (see below), whose sum is σ = 46811714978280. Its totient is φ = 7356947558400.

The previous prime is 18671041366387. The next prime is 18671041366441. The reversal of 18671041366400 is 466314017681.

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 11 ways as a sum of consecutive naturals, for example, 43328141 + ... + 43756940.

Almost surely, 2^{18671041366400} is an apocalyptic number.

18671041366400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18671041366400 is an abundant number, since it is smaller than the sum of its proper divisors (28140673611880).

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

18671041366400 is an equidigital number, since it uses as much as digits as its factorization.

18671041366400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87085172 (or 87085155 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 18671041366400 in words is "eighteen trillion, six hundred seventy-one billion, forty-one million, three hundred sixty-six thousand, four hundred".