1603064540 has 48 divisors (see below), whose sum is σ = 4197118464. Its totient is φ = 499656000.

The previous prime is 1603064509. The next prime is 1603064569. The reversal of 1603064540 is 454603061.

It is a happy number.

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, 518936 + ... + 522015.

It is an arithmetic number, because the mean of its divisors is an integer number (87439968).

Almost surely, 2^1603064540 is an apocalyptic number.

1603064540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1603064540 is an abundant number, since it is smaller than the sum of its proper divisors (2594053924).

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

1603064540 is a wasteful number, since it uses less digits than its factorization.

1603064540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040978 (or 1040976 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1603064540 is about 40038.2884249564. The cubic root of 1603064540 is about 1170.3533498213.

The spelling of 1603064540 in words is "one billion, six hundred three million, sixty-four thousand, five hundred forty".