1603416612 has 240 divisors, whose sum is σ = 4799793600. Its totient is φ = 414892800.

The previous prime is 1603416587. The next prime is 1603416649. The reversal of 1603416612 is 2166143061.

It is a self number, because there is not a number n which added to its sum of digits gives 1603416612.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15875362 + ... + 15875462.

It is an arithmetic number, because the mean of its divisors is an integer number (19999140).

Almost surely, 2^1603416612 is an apocalyptic number.

1603416612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1603416612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2399896800).

1603416612 is an abundant number, since it is smaller than the sum of its proper divisors (3196376988).

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

1603416612 is a wasteful number, since it uses less digits than its factorization.

1603416612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1603416612 is about 40042.6848750181. The cubic root of 1603416612 is about 1170.4390229123.

Adding to 1603416612 its reverse (2166143061), we get a palindrome (3769559673).

The spelling of 1603416612 in words is "one billion, six hundred three million, four hundred sixteen thousand, six hundred twelve".