1603220450832 has 2160 divisors, whose sum is σ = 6725619671680. Its totient is φ = 359169085440.

The previous prime is 1603220450719. The next prime is 1603220450893. The reversal of 1603220450832 is 2380540223061.

1603220450832 is a `hidden beast` number, since 1 + 603 + 2 + 2 + 0 + 45 + 0 + 8 + 3 + 2 = 666.

It is a super-2 number, since 2×1603220450832² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 431 ways as a sum of consecutive naturals, for example, 21961923948 + ... + 21961924020.

Almost surely, 2^{1603220450832} is an apocalyptic number.

1603220450832 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 1603220450832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3362809835840).

1603220450832 is an abundant number, since it is smaller than the sum of its proper divisors (5122399220848).

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

1603220450832 is a wasteful number, since it uses less digits than its factorization.

1603220450832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 1603220450832 its reverse (2380540223061), we get a palindrome (3983760673893).

The spelling of 1603220450832 in words is "one trillion, six hundred three billion, two hundred twenty million, four hundred fifty thousand, eight hundred thirty-two".