164587057 has 8 divisors (see below), whose sum is σ = 173321280. Its totient is φ = 155984400.

The previous prime is 164587021. The next prime is 164587061. The reversal of 164587057 is 750785461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164587057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164587957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30319 + ... + 35332.

It is an arithmetic number, because the mean of its divisors is an integer number (21665160).

Almost surely, 2^164587057 is an apocalyptic number.

It is an amenable number.

164587057 is a deficient number, since it is larger than the sum of its proper divisors (8734223).

164587057 is a wasteful number, since it uses less digits than its factorization.

164587057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65783.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 164587057 is about 12829.1487246816. The cubic root of 164587057 is about 548.0227149286.

The spelling of 164587057 in words is "one hundred sixty-four million, five hundred eighty-seven thousand, fifty-seven".