164345564242364 has 6 divisors (see below), whose sum is σ = 287604737424144. Its totient is φ = 82172782121180.

The previous prime is 164345564242361. The next prime is 164345564242381. The reversal of 164345564242364 is 463242465543461.

It is a super-2 number, since 2×164345564242364² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164345564242361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20543195530292 + ... + 20543195530299.

It is an arithmetic number, because the mean of its divisors is an integer number (47934122904024).

Almost surely, 2^{164345564242364} is an apocalyptic number.

It is an amenable number.

164345564242364 is a deficient number, since it is larger than the sum of its proper divisors (123259173181780).

164345564242364 is a wasteful number, since it uses less digits than its factorization.

164345564242364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41086391060595 (or 41086391060593 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 59.

The spelling of 164345564242364 in words is "one hundred sixty-four trillion, three hundred forty-five billion, five hundred sixty-four million, two hundred forty-two thousand, three hundred sixty-four".