201040091608 has 64 divisors (see below), whose sum is σ = 395403069600. Its totient is φ = 95703552000.

The previous prime is 201040091591. The next prime is 201040091617. The reversal of 201040091608 is 806190040102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201040091608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6217483 + ... + 6249733.

Almost surely, 2^201040091608 is an apocalyptic number.

It is an amenable number.

201040091608 is a deficient number, since it is larger than the sum of its proper divisors (194362977992).

201040091608 is a wasteful number, since it uses less digits than its factorization.

201040091608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32660 (or 32656 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 201040091608 in words is "two hundred one billion, forty million, ninety-one thousand, six hundred eight".