213341623151663 has 16 divisors (see below), whose sum is σ = 218626495346016. Its totient is φ = 208103435629440.

The previous prime is 213341623151639. The next prime is 213341623151669. The reversal of 213341623151663 is 366151326143312.

213341623151663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213341623151663 - 2¹² = 213341623147567 is a prime.

It is a super-2 number, since 2×213341623151663² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213341623151669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934729628 + ... + 934957838.

It is an arithmetic number, because the mean of its divisors is an integer number (13664155959126).

Almost surely, 2^{213341623151663} is an apocalyptic number.

213341623151663 is a deficient number, since it is larger than the sum of its proper divisors (5284872194353).

213341623151663 is a wasteful number, since it uses less digits than its factorization.

213341623151663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330394.

The product of its digits is 1399680, while the sum is 47.

Adding to 213341623151663 its reverse (366151326143312), we get a palindrome (579492949294975).

The spelling of 213341623151663 in words is "two hundred thirteen trillion, three hundred forty-one billion, six hundred twenty-three million, one hundred fifty-one thousand, six hundred sixty-three".