164447101026 has 48 divisors (see below), whose sum is σ = 385657776504. Its totient is φ = 50342245632.

The previous prime is 164447101003. The next prime is 164447101033. The reversal of 164447101026 is 620101744461.

It is a happy number.

164447101026 is a `hidden beast` number, since 1 + 644 + 4 + 7 + 1 + 0 + 1 + 0 + 2 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 164431061001 + 16040025 = 405501^2 + 4005^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1737571 + ... + 1829766.

Almost surely, 2^164447101026 is an apocalyptic number.

164447101026 is an abundant number, since it is smaller than the sum of its proper divisors (221210675478).

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

164447101026 is a wasteful number, since it uses less digits than its factorization.

164447101026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567555 (or 3567552 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 164447101026 its reverse (620101744461), we get a palindrome (784548845487).

The spelling of 164447101026 in words is "one hundred sixty-four billion, four hundred forty-seven million, one hundred one thousand, twenty-six".