213533532667 has 8 divisors (see below), whose sum is σ = 262810501856. Its totient is φ = 168949608192.

The previous prime is 213533532647. The next prime is 213533532679. The reversal of 213533532667 is 766235335312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213533532667 is a prime.

It is a super-2 number, since 2×213533532667² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213533532647) 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 7 ways as a sum of consecutive naturals, for example, 1173261078 + ... + 1173261259.

It is an arithmetic number, because the mean of its divisors is an integer number (32851312732).

Almost surely, 2^213533532667 is an apocalyptic number.

213533532667 is a deficient number, since it is larger than the sum of its proper divisors (49276969189).

213533532667 is a wasteful number, since it uses less digits than its factorization.

213533532667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346522357.

The product of its digits is 2041200, while the sum is 46.

Adding to 213533532667 its reverse (766235335312), we get a palindrome (979768867979).

The spelling of 213533532667 in words is "two hundred thirteen billion, five hundred thirty-three million, five hundred thirty-two thousand, six hundred sixty-seven".