1600872220217 has 4 divisors (see below), whose sum is σ = 1685128652880. Its totient is φ = 1516615787556.

The previous prime is 1600872220153. The next prime is 1600872220249. The reversal of 1600872220217 is 7120222780061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1600872220217 - 2⁶ = 1600872220153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1600872223217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42128216303 + ... + 42128216340.

It is an arithmetic number, because the mean of its divisors is an integer number (421282163220).

Almost surely, 2^{1600872220217} is an apocalyptic number.

It is an amenable number.

1600872220217 is a deficient number, since it is larger than the sum of its proper divisors (84256432663).

1600872220217 is an equidigital number, since it uses as much as digits as its factorization.

1600872220217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84256432662.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 1600872220217 in words is "one trillion, six hundred billion, eight hundred seventy-two million, two hundred twenty thousand, two hundred seventeen".