164450162622438 has 192 divisors, whose sum is σ = 459193702302720. Its totient is φ = 42702926112000.

The previous prime is 164450162622407. The next prime is 164450162622439. The reversal of 164450162622438 is 834226261054461.

164450162622438 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 5 + 0 + 1 + 6 + 2 + 622 + 4 + 3 + 8 = 666.

164450162622438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164450162622439) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 171542623 + ... + 172498613.

It is an arithmetic number, because the mean of its divisors is an integer number (2391633866160).

Almost surely, 2^{164450162622438} is an apocalyptic number.

164450162622438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164450162622438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229596851151360).

164450162622438 is an abundant number, since it is smaller than the sum of its proper divisors (294743539680282).

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

164450162622438 is a wasteful number, since it uses less digits than its factorization.

164450162622438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959792 (or 959775 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 164450162622438 in words is "one hundred sixty-four trillion, four hundred fifty billion, one hundred sixty-two million, six hundred twenty-two thousand, four hundred thirty-eight".