1603450461220 has 48 divisors (see below), whose sum is σ = 3439589126400. Its totient is φ = 627606088704.

The previous prime is 1603450461181. The next prime is 1603450461227. The reversal of 1603450461220 is 221640543061.

It is not an unprimeable number, because it can be changed into a prime (1603450461227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4516756 + ... + 4858804.

It is an arithmetic number, because the mean of its divisors is an integer number (71658106800).

Almost surely, 2^{1603450461220} is an apocalyptic number.

1603450461220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1603450461220 is an abundant number, since it is smaller than the sum of its proper divisors (1836138665180).

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

1603450461220 is a wasteful number, since it uses less digits than its factorization.

1603450461220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347092 (or 347090 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 1603450461220 in words is "one trillion, six hundred three billion, four hundred fifty million, four hundred sixty-one thousand, two hundred twenty".