868162213 has 8 divisors (see below), whose sum is σ = 873911168. Its totient is φ = 862432704.

The previous prime is 868162201. The next prime is 868162259. The reversal of 868162213 is 312261868.

It is a happy number.

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 868162213 - 2²¹ = 866065061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868160213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90820 + ... + 99922.

It is an arithmetic number, because the mean of its divisors is an integer number (109238896).

Almost surely, 2^868162213 is an apocalyptic number.

It is an amenable number.

868162213 is a deficient number, since it is larger than the sum of its proper divisors (5748955).

868162213 is a wasteful number, since it uses less digits than its factorization.

868162213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723.

The product of its digits is 27648, while the sum is 37.

The square root of 868162213 is about 29464.5925306969. The cubic root of 868162213 is about 953.9676033957.

The spelling of 868162213 in words is "eight hundred sixty-eight million, one hundred sixty-two thousand, two hundred thirteen".