20144348183791 has 8 divisors (see below), whose sum is σ = 21864731646464. Its totient is φ = 18448367323680.

The previous prime is 20144348183761. The next prime is 20144348183851. The reversal of 20144348183791 is 19738184344102.

It is a happy number.

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 20144348183791 - 2¹³ = 20144348175599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144348183741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6100648920 + ... + 6100652221.

It is an arithmetic number, because the mean of its divisors is an integer number (2733091455808).

Almost surely, 2^{20144348183791} is an apocalyptic number.

20144348183791 is a deficient number, since it is larger than the sum of its proper divisors (1720383462673).

20144348183791 is a wasteful number, since it uses less digits than its factorization.

20144348183791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12201301281.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 20144348183791 in words is "twenty trillion, one hundred forty-four billion, three hundred forty-eight million, one hundred eighty-three thousand, seven hundred ninety-one".