1603742064 has 20 divisors (see below), whose sum is σ = 4143000456. Its totient is φ = 534580672.

The previous prime is 1603742051. The next prime is 1603742081. The reversal of 1603742064 is 4602473061.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16705599 + ... + 16705694.

Almost surely, 2^1603742064 is an apocalyptic number.

It is an amenable number.

1603742064 is an abundant number, since it is smaller than the sum of its proper divisors (2539258392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1603742064 is a wasteful number, since it uses less digits than its factorization.

1603742064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33411304 (or 33411298 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1603742064 is about 40046.7484822426. The cubic root of 1603742064 is about 1170.5182071469.

The spelling of 1603742064 in words is "one billion, six hundred three million, seven hundred forty-two thousand, sixty-four".