343162660221 has 12 divisors (see below), whose sum is σ = 507769140060. Its totient is φ = 223195225920.

The previous prime is 343162660199. The next prime is 343162660273. The reversal of 343162660221 is 122066261343.

343162660221 is a `hidden beast` number, since 3 + 4 + 3 + 1 + 6 + 26 + 602 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 181949168025 + 161213492196 = 426555^2 + 401514^2 .

It is not a de Polignac number, because 343162660221 - 2⁵ = 343162660189 is a prime.

It is a super-2 number, since 2×343162660221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343162661221) 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 11 ways as a sum of consecutive naturals, for example, 464989686 + ... + 464990423.

It is an arithmetic number, because the mean of its divisors is an integer number (42314095005).

Almost surely, 2^343162660221 is an apocalyptic number.

It is an amenable number.

343162660221 is a deficient number, since it is larger than the sum of its proper divisors (164606479839).

343162660221 is a wasteful number, since it uses less digits than its factorization.

343162660221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929980156 (or 929980153 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 343162660221 in words is "three hundred forty-three billion, one hundred sixty-two million, six hundred sixty thousand, two hundred twenty-one".