3445203372161 has 16 divisors (see below), whose sum is σ = 3578353989120. Its totient is φ = 3314165880960.

The previous prime is 3445203372133. The next prime is 3445203372211. The reversal of 3445203372161 is 1612733025443.

It is a cyclic number.

It is not a de Polignac number, because 3445203372161 - 2⁶ = 3445203372097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3445200372161) 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, 51953456 + ... + 52019726.

It is an arithmetic number, because the mean of its divisors is an integer number (223647124320).

Almost surely, 2^{3445203372161} is an apocalyptic number.

It is an amenable number.

3445203372161 is a deficient number, since it is larger than the sum of its proper divisors (133150616959).

3445203372161 is a wasteful number, since it uses less digits than its factorization.

3445203372161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82184.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 3445203372161 in words is "three trillion, four hundred forty-five billion, two hundred three million, three hundred seventy-two thousand, one hundred sixty-one".