214165621265105 has 8 divisors (see below), whose sum is σ = 257003374041000. Its totient is φ = 171329411330176.

The previous prime is 214165621265087. The next prime is 214165621265129. The reversal of 214165621265105 is 501562126561412.

It can be written as a sum of positive squares in 4 ways, for example, as 21012579266704 + 193153041998401 = 4583948^2 + 13897951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214165621265105 - 2⁸ = 214165621264849 is a prime.

It is a super-2 number, since 2×214165621265105² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 214165621265105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385404830 + ... + 385960119.

It is an arithmetic number, because the mean of its divisors is an integer number (32125421755125).

Almost surely, 2^{214165621265105} is an apocalyptic number.

It is an amenable number.

214165621265105 is a deficient number, since it is larger than the sum of its proper divisors (42837752775895).

214165621265105 is an equidigital number, since it uses as much as digits as its factorization.

214165621265105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771420483.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 214165621265105 in words is "two hundred fourteen trillion, one hundred sixty-five billion, six hundred twenty-one million, two hundred sixty-five thousand, one hundred five".