1003835090161 has 4 divisors (see below), whose sum is σ = 1038450093300. Its totient is φ = 969220087024.

The previous prime is 1003835090123. The next prime is 1003835090177. The reversal of 1003835090161 is 1610905383001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 393842849761 + 609992240400 = 627569^2 + 781020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003835090161 - 2¹⁹ = 1003834565873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1003835090161.

It is not an unprimeable number, because it can be changed into a prime (1003835090261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17307501526 + ... + 17307501583.

It is an arithmetic number, because the mean of its divisors is an integer number (259612523325).

Almost surely, 2^{1003835090161} is an apocalyptic number.

It is an amenable number.

1003835090161 is a deficient number, since it is larger than the sum of its proper divisors (34615003139).

1003835090161 is an equidigital number, since it uses as much as digits as its factorization.

1003835090161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34615003138.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 1003835090161 in words is "one trillion, three billion, eight hundred thirty-five million, ninety thousand, one hundred sixty-one".