1768220228671 has 32 divisors (see below), whose sum is σ = 2044800350208. Its totient is φ = 1516354245120.

The previous prime is 1768220228653. The next prime is 1768220228683.

1768220228671 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1768220228671 - 2²³ = 1768211840063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1768220228641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1360695 + ... + 2321191.

It is an arithmetic number, because the mean of its divisors is an integer number (63900010944).

Almost surely, 2^{1768220228671} is an apocalyptic number.

1768220228671 is a deficient number, since it is larger than the sum of its proper divisors (276580121537).

1768220228671 is a wasteful number, since it uses less digits than its factorization.

1768220228671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960711.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 1768220228671 in words is "one trillion, seven hundred sixty-eight billion, two hundred twenty million, two hundred twenty-eight thousand, six hundred seventy-one".