354163881668 has 6 divisors (see below), whose sum is σ = 619786792926. Its totient is φ = 177081940832.

The previous prime is 354163881641. The next prime is 354163881683. The reversal of 354163881668 is 866188361453.

It can be written as a sum of positive squares in only one way, i.e., 348739853764 + 5424027904 = 590542^2 + 73648^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 44270485205 + ... + 44270485212.

It is an arithmetic number, because the mean of its divisors is an integer number (103297798821).

Almost surely, 2^354163881668 is an apocalyptic number.

It is an amenable number.

354163881668 is a deficient number, since it is larger than the sum of its proper divisors (265622911258).

354163881668 is a wasteful number, since it uses less digits than its factorization.

354163881668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88540970421 (or 88540970419 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The spelling of 354163881668 in words is "three hundred fifty-four billion, one hundred sixty-three million, eight hundred eighty-one thousand, six hundred sixty-eight".