164812000000 has 126 divisors (see below), whose sum is σ = 411229970564. Its totient is φ = 65923200000.

The previous prime is 164811999997. The next prime is 164812000021. The reversal of 164812000000 is 218461.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3979399 + ... + 4020601.

Almost surely, 2^164812000000 is an apocalyptic number.

164812000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164812000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205614985282).

164812000000 is an abundant number, since it is smaller than the sum of its proper divisors (246417970564).

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

164812000000 is an frugal number, since it uses more digits than its factorization.

164812000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41249 (or 41210 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 164812000000 its reverse (218461), we get a palindrome (164812218461).

The spelling of 164812000000 in words is "one hundred sixty-four billion, eight hundred twelve million", and thus it is an aban number.