164440034564338 has 12 divisors (see below), whose sum is σ = 267093428923098. Its totient is φ = 75895400568000.

The previous prime is 164440034564287. The next prime is 164440034564357. The reversal of 164440034564338 is 833465430044461.

It can be written as a sum of positive squares in 3 ways, for example, as 135508620427489 + 28931414136849 = 11640817^2 + 5378793^2 .

It is a super-3 number, since 3×164440034564338³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243254488663 + ... + 243254489338.

Almost surely, 2^{164440034564338} is an apocalyptic number.

164440034564338 is a deficient number, since it is larger than the sum of its proper divisors (102653394358760).

164440034564338 is a wasteful number, since it uses less digits than its factorization.

164440034564338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486508978029 (or 486508978016 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 55.

The spelling of 164440034564338 in words is "one hundred sixty-four trillion, four hundred forty billion, thirty-four million, five hundred sixty-four thousand, three hundred thirty-eight".