164006872 has 8 divisors (see below), whose sum is σ = 307512900. Its totient is φ = 82003432.

The previous prime is 164006867. The next prime is 164006897. The reversal of 164006872 is 278600461.

164006872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10250422 + ... + 10250437.

Almost surely, 2^164006872 is an apocalyptic number.

It is an amenable number.

164006872 is a deficient number, since it is larger than the sum of its proper divisors (143506028).

164006872 is a wasteful number, since it uses less digits than its factorization.

164006872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20500865 (or 20500861 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 164006872 is about 12806.5167785780. The cubic root of 164006872 is about 547.3780127575.

The spelling of 164006872 in words is "one hundred sixty-four million, six thousand, eight hundred seventy-two".