164444716 has 6 divisors (see below), whose sum is σ = 287778260. Its totient is φ = 82222356.

The previous prime is 164444713. The next prime is 164444717. The reversal of 164444716 is 617444461.

164444716 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164444713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20555586 + ... + 20555593.

Almost surely, 2^164444716 is an apocalyptic number.

It is an amenable number.

164444716 is a deficient number, since it is larger than the sum of its proper divisors (123333544).

164444716 is a wasteful number, since it uses less digits than its factorization.

164444716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41111183 (or 41111181 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 164444716 is about 12823.5999625690. The cubic root of 164444716 is about 547.8646858972.

It can be divided in two parts, 1644 and 44716, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 164444716 in words is "one hundred sixty-four million, four hundred forty-four thousand, seven hundred sixteen".