201662631446 has 8 divisors (see below), whose sum is σ = 302526029520. Its totient is φ = 100820621608.

The previous prime is 201662631437. The next prime is 201662631451. The reversal of 201662631446 is 644136266102.

201662631446 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 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 3 ways as a sum of consecutive naturals, for example, 5323466 + ... + 5361213.

It is an arithmetic number, because the mean of its divisors is an integer number (37815753690).

Almost surely, 2^201662631446 is an apocalyptic number.

201662631446 is a deficient number, since it is larger than the sum of its proper divisors (100863398074).

201662631446 is a wasteful number, since it uses less digits than its factorization.

201662631446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694118.

The product of its (nonzero) digits is 248832, while the sum is 41.

Adding to 201662631446 its reverse (644136266102), we get a palindrome (845798897548).

The spelling of 201662631446 in words is "two hundred one billion, six hundred sixty-two million, six hundred thirty-one thousand, four hundred forty-six".