164320182138 has 32 divisors (see below), whose sum is σ = 376916184576. Its totient is φ = 46782723888.

The previous prime is 164320182137. The next prime is 164320182149. The reversal of 164320182138 is 831281023461.

It is a super-2 number, since 2×164320182138² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164320182096 and 164320182105.

It is not an unprimeable number, because it can be changed into a prime (164320182137) 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 15 ways as a sum of consecutive naturals, for example, 6900456 + ... + 6924227.

It is an arithmetic number, because the mean of its divisors is an integer number (11778630768).

Almost surely, 2^164320182138 is an apocalyptic number.

164320182138 is an abundant number, since it is smaller than the sum of its proper divisors (212596002438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164320182138 is a wasteful number, since it uses less digits than its factorization.

164320182138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13824978.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 164320182138 in words is "one hundred sixty-four billion, three hundred twenty million, one hundred eighty-two thousand, one hundred thirty-eight".