214156646331361 has 4 divisors (see below), whose sum is σ = 215091828193300. Its totient is φ = 213221464469424.

The previous prime is 214156646331323. The next prime is 214156646331517. The reversal of 214156646331361 is 163133646651412.

It is a happy number.

214156646331361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186002681358400 + 28153964972961 = 13638280^2 + 5306031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214156646331361 is a prime.

It is a super-2 number, since 2×214156646331361² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214156646331299 and 214156646331308.

It is not an unprimeable number, because it can be changed into a prime (214156646331301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467590930626 + ... + 467590931083.

It is an arithmetic number, because the mean of its divisors is an integer number (53772957048325).

Almost surely, 2^{214156646331361} is an apocalyptic number.

It is an amenable number.

214156646331361 is a deficient number, since it is larger than the sum of its proper divisors (935181861939).

214156646331361 is an equidigital number, since it uses as much as digits as its factorization.

214156646331361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935181861938.

The product of its digits is 5598720, while the sum is 52.

The spelling of 214156646331361 in words is "two hundred fourteen trillion, one hundred fifty-six billion, six hundred forty-six million, three hundred thirty-one thousand, three hundred sixty-one".