3445856161728 has 56 divisors (see below), whose sum is σ = 9122644297728. Its totient is φ = 1147927923456.

The previous prime is 3445856161697. The next prime is 3445856161751. The reversal of 3445856161728 is 8271616585443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5076726 + ... + 5715317.

Almost surely, 2^{3445856161728} is an apocalyptic number.

It is an amenable number.

3445856161728 is an abundant number, since it is smaller than the sum of its proper divisors (5676788136000).

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

3445856161728 is a wasteful number, since it uses less digits than its factorization.

3445856161728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793721 (or 10793711 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 60.

The spelling of 3445856161728 in words is "three trillion, four hundred forty-five billion, eight hundred fifty-six million, one hundred sixty-one thousand, seven hundred twenty-eight".