14201978181 has 8 divisors (see below), whose sum is σ = 18995707104. Its totient is φ = 9438117360.

The previous prime is 14201978173. The next prime is 14201978183. The reversal of 14201978181 is 18187910241.

14201978181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 14201978181 - 2³ = 14201978173 is a prime.

It is a super-2 number, since 2×14201978181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14201978183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7465915 + ... + 7467816.

It is an arithmetic number, because the mean of its divisors is an integer number (2374463388).

Almost surely, 2^14201978181 is an apocalyptic number.

It is an amenable number.

14201978181 is a deficient number, since it is larger than the sum of its proper divisors (4793728923).

14201978181 is a wasteful number, since it uses less digits than its factorization.

14201978181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14934051.

The product of its (nonzero) digits is 32256, while the sum is 42.

The spelling of 14201978181 in words is "fourteen billion, two hundred one million, nine hundred seventy-eight thousand, one hundred eighty-one".