201613440578 has 32 divisors (see below), whose sum is σ = 330713532288. Its totient is φ = 91420358400.

The previous prime is 201613440577. The next prime is 201613440583. The reversal of 201613440578 is 875044316102.

201613440578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201613440577) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16264763 + ... + 16277153.

It is an arithmetic number, because the mean of its divisors is an integer number (10334797884).

Almost surely, 2^201613440578 is an apocalyptic number.

201613440578 is a deficient number, since it is larger than the sum of its proper divisors (129100091710).

201613440578 is a wasteful number, since it uses less digits than its factorization.

201613440578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14138.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 201613440578 in words is "two hundred one billion, six hundred thirteen million, four hundred forty thousand, five hundred seventy-eight".