1605158020103 has 8 divisors (see below), whose sum is σ = 1766577774096. Its totient is φ = 1446320982400.

The previous prime is 1605158020099. The next prime is 1605158020157. The reversal of 1605158020103 is 3010208515061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1605158020103 - 2² = 1605158020099 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 1605158020103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605158029103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645677768 + ... + 645680253.

It is an arithmetic number, because the mean of its divisors is an integer number (220822221762).

Almost surely, 2^{1605158020103} is an apocalyptic number.

1605158020103 is a deficient number, since it is larger than the sum of its proper divisors (161419753993).

1605158020103 is a wasteful number, since it uses less digits than its factorization.

1605158020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291358145.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 1605158020103 in words is "one trillion, six hundred five billion, one hundred fifty-eight million, twenty thousand, one hundred three".