353791666660 has 12 divisors (see below), whose sum is σ = 742962500028. Its totient is φ = 141516666656.

The previous prime is 353791666649. The next prime is 353791666667. The reversal of 353791666660 is 66666197353.

It can be written as a sum of positive squares in 2 ways, for example, as 165968241664 + 187823424996 = 407392^2 + 433386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 353791666595 and 353791666604.

It is not an unprimeable number, because it can be changed into a prime (353791666667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8844791647 + ... + 8844791686.

It is an arithmetic number, because the mean of its divisors is an integer number (61913541669).

Almost surely, 2^353791666660 is an apocalyptic number.

It is an amenable number.

353791666660 is an abundant number, since it is smaller than the sum of its proper divisors (389170833368).

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

353791666660 is a wasteful number, since it uses less digits than its factorization.

353791666660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17689583342 (or 17689583340 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 58.

The spelling of 353791666660 in words is "three hundred fifty-three billion, seven hundred ninety-one million, six hundred sixty-six thousand, six hundred sixty".