1638041414414 has 8 divisors (see below), whose sum is σ = 2457067665720. Its totient is φ = 819018859176.

The previous prime is 1638041414407. The next prime is 1638041414417. The reversal of 1638041414414 is 4144141408361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1638041414417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919757 + ... + 2030279.

It is an arithmetic number, because the mean of its divisors is an integer number (307133458215).

Almost surely, 2^{1638041414414} is an apocalyptic number.

1638041414414 is a deficient number, since it is larger than the sum of its proper divisors (819026251306).

1638041414414 is a wasteful number, since it uses less digits than its factorization.

1638041414414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848034.

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 1638041414414 in words is "one trillion, six hundred thirty-eight billion, forty-one million, four hundred fourteen thousand, four hundred fourteen".