201603787406 has 32 divisors (see below), whose sum is σ = 365962214592. Its totient is φ = 81313413120.

The previous prime is 201603787393. The next prime is 201603787409. The reversal of 201603787406 is 604787306102.

201603787406 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201603787409) 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, 5383226 + ... + 5420546.

It is an arithmetic number, because the mean of its divisors is an integer number (11436319206).

Almost surely, 2^201603787406 is an apocalyptic number.

201603787406 is a deficient number, since it is larger than the sum of its proper divisors (164358427186).

201603787406 is a wasteful number, since it uses less digits than its factorization.

201603787406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60044.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 201603787406 in words is "two hundred one billion, six hundred three million, seven hundred eighty-seven thousand, four hundred six".