802668647601 has 12 divisors (see below), whose sum is σ = 1161925264500. Its totient is φ = 533951664480.

The previous prime is 802668647579. The next prime is 802668647611. The reversal of 802668647601 is 106746866208.

802668647601 is a `hidden beast` number, since 8 + 0 + 26 + 6 + 8 + 6 + 4 + 7 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 199326531600 + 603342116001 = 446460^2 + 776751^2 .

It is not a de Polignac number, because 802668647601 - 2²¹ = 802666550449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (802668647611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96726226 + ... + 96734523.

It is an arithmetic number, because the mean of its divisors is an integer number (96827105375).

Almost surely, 2^802668647601 is an apocalyptic number.

It is an amenable number.

802668647601 is a deficient number, since it is larger than the sum of its proper divisors (359256616899).

802668647601 is a wasteful number, since it uses less digits than its factorization.

802668647601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193461216 (or 193461213 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 802668647601 in words is "eight hundred two billion, six hundred sixty-eight million, six hundred forty-seven thousand, six hundred one".