223211351052165 has 32 divisors (see below), whose sum is σ = 414849012178176. Its totient is φ = 100366696488960.

The previous prime is 223211351052161. The next prime is 223211351052301. The reversal of 223211351052165 is 561250153112322.

It is not a de Polignac number, because 223211351052165 - 2² = 223211351052161 is a prime.

It is a super-3 number, since 3×223211351052165³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223211351052161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17424767292 + ... + 17424780101.

It is an arithmetic number, because the mean of its divisors is an integer number (12964031630568).

Almost surely, 2^{223211351052165} is an apocalyptic number.

It is an amenable number.

223211351052165 is a deficient number, since it is larger than the sum of its proper divisors (191637661126011).

223211351052165 is a wasteful number, since it uses less digits than its factorization.

223211351052165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34849547469.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 223211351052165 in words is "two hundred twenty-three trillion, two hundred eleven billion, three hundred fifty-one million, fifty-two thousand, one hundred sixty-five".