164227438231 has 8 divisors (see below), whose sum is σ = 173891415600. Its totient is φ = 154563854208.

The previous prime is 164227438229. The next prime is 164227438247. The reversal of 164227438231 is 132834722461.

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

It is not a de Polignac number, because 164227438231 - 2¹ = 164227438229 is a prime.

It is a super-2 number, since 2×164227438231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164227438031) 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, 1573045 + ... + 1674193.

It is an arithmetic number, because the mean of its divisors is an integer number (21736426950).

Almost surely, 2^164227438231 is an apocalyptic number.

164227438231 is a deficient number, since it is larger than the sum of its proper divisors (9663977369).

164227438231 is a wasteful number, since it uses less digits than its factorization.

164227438231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196673.

The product of its digits is 387072, while the sum is 43.

The spelling of 164227438231 in words is "one hundred sixty-four billion, two hundred twenty-seven million, four hundred thirty-eight thousand, two hundred thirty-one".