164261716 has 6 divisors (see below), whose sum is σ = 287458010. Its totient is φ = 82130856.

The previous prime is 164261683. The next prime is 164261717. The reversal of 164261716 is 617162461.

It can be written as a sum of positive squares in only one way, i.e., 161036100 + 3225616 = 12690^2 + 1796^2 .

It is a super-2 number, since 2×164261716² = 53963822686529312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164261717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20532711 + ... + 20532718.

Almost surely, 2^164261716 is an apocalyptic number.

It is an amenable number.

164261716 is a deficient number, since it is larger than the sum of its proper divisors (123196294).

164261716 is a wasteful number, since it uses less digits than its factorization.

164261716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41065433 (or 41065431 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 164261716 is about 12816.4626945191. The cubic root of 164261716 is about 547.6613826155.

The spelling of 164261716 in words is "one hundred sixty-four million, two hundred sixty-one thousand, seven hundred sixteen".