164720884 has 6 divisors (see below), whose sum is σ = 288261554. Its totient is φ = 82360440.

The previous prime is 164720863. The next prime is 164720893. The reversal of 164720884 is 488027461.

164720884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 100560784 + 64160100 = 10028^2 + 8010^2 .

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, 20590107 + ... + 20590114.

Almost surely, 2^164720884 is an apocalyptic number.

It is an amenable number.

164720884 is a deficient number, since it is larger than the sum of its proper divisors (123540670).

164720884 is a wasteful number, since it uses less digits than its factorization.

164720884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41180225 (or 41180223 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 164720884 is about 12834.3634045480. The cubic root of 164720884 is about 548.1712085148.

The spelling of 164720884 in words is "one hundred sixty-four million, seven hundred twenty thousand, eight hundred eighty-four".