164625716 has 6 divisors (see below), whose sum is σ = 288095010. Its totient is φ = 82312856.

The previous prime is 164625689. The next prime is 164625733. The reversal of 164625716 is 617526461.

It can be written as a sum of positive squares in only one way, i.e., 162052900 + 2572816 = 12730^2 + 1604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164625716.

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, 20578211 + ... + 20578218.

It is an arithmetic number, because the mean of its divisors is an integer number (48015835).

Almost surely, 2^164625716 is an apocalyptic number.

It is an amenable number.

164625716 is a deficient number, since it is larger than the sum of its proper divisors (123469294).

164625716 is a wasteful number, since it uses less digits than its factorization.

164625716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41156433 (or 41156431 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 164625716 is about 12830.6553223130. The cubic root of 164625716 is about 548.0656189738.

The spelling of 164625716 in words is "one hundred sixty-four million, six hundred twenty-five thousand, seven hundred sixteen".