1903163720704 has 99 divisors (see below), whose sum is σ = 4017013171317. Its totient is φ = 901101293568.

The previous prime is 1903163720699. The next prime is 1903163720707. The reversal of 1903163720704 is 4070273613091.

The square root of 1903163720704 is 1379552.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 81311663104 + 1821852057600 = 285152^2 + 1349760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1903163720707) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 838766482 + ... + 838768750.

Almost surely, 2^{1903163720704} is an apocalyptic number.

1903163720704 is the 1379552-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1903163720704

1903163720704 is an abundant number, since it is smaller than the sum of its proper divisors (2113849450613).

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

1903163720704 is an frugal number, since it uses more digits than its factorization.

1903163720704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 1903163720704 in words is "one trillion, nine hundred three billion, one hundred sixty-three million, seven hundred twenty thousand, seven hundred four".