164843894000 has 40 divisors (see below), whose sum is σ = 398592540528. Its totient is φ = 65937556800.

The previous prime is 164843893993. The next prime is 164843894029. The reversal of 164843894000 is 498348461.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41208974 + ... + 41212973.

Almost surely, 2^164843894000 is an apocalyptic number.

164843894000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164843894000 is an abundant number, since it is smaller than the sum of its proper divisors (233748646528).

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

164843894000 is an equidigital number, since it uses as much as digits as its factorization.

164843894000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82421970 (or 82421954 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 164843894000 in words is "one hundred sixty-four billion, eight hundred forty-three million, eight hundred ninety-four thousand".