1603675121620 has 48 divisors (see below), whose sum is σ = 3956479607808. Its totient is φ = 538296543360.

The previous prime is 1603675121617. The next prime is 1603675121621. The reversal of 1603675121620 is 261215763061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603675121621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280359924 + ... + 280365643.

It is an arithmetic number, because the mean of its divisors is an integer number (82426658496).

Almost surely, 2^{1603675121620} is an apocalyptic number.

1603675121620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1603675121620 is an abundant number, since it is smaller than the sum of its proper divisors (2352804486188).

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

1603675121620 is a wasteful number, since it uses less digits than its factorization.

1603675121620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560725600 (or 560725598 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 1603675121620 in words is "one trillion, six hundred three billion, six hundred seventy-five million, one hundred twenty-one thousand, six hundred twenty".