201040091603 has 8 divisors (see below), whose sum is σ = 216514006800. Its totient is φ = 185567503968.

The previous prime is 201040091591. The next prime is 201040091617. The reversal of 201040091603 is 306190040102.

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 201040091603 - 2³⁴ = 183860222419 is a prime.

It is a super-2 number, since 2×201040091603² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201040091633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5468 + ... + 634121.

It is an arithmetic number, because the mean of its divisors is an integer number (27064250850).

Almost surely, 2^201040091603 is an apocalyptic number.

201040091603 is a deficient number, since it is larger than the sum of its proper divisors (15473915197).

201040091603 is a wasteful number, since it uses less digits than its factorization.

201040091603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663781.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 201040091603 in words is "two hundred one billion, forty million, ninety-one thousand, six hundred three".