2170457617 has 8 divisors (see below), whose sum is σ = 2189472320. Its totient is φ = 2151491760.

The previous prime is 2170457581. The next prime is 2170457621. The reversal of 2170457617 is 7167540712.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2170457617 - 2²³ = 2162069009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2170457617.

It is not an unprimeable number, because it can be changed into a prime (2170457017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80068 + ... + 103690.

It is an arithmetic number, because the mean of its divisors is an integer number (273684040).

Almost surely, 2^2170457617 is an apocalyptic number.

It is an amenable number.

2170457617 is a deficient number, since it is larger than the sum of its proper divisors (19014703).

2170457617 is a wasteful number, since it uses less digits than its factorization.

2170457617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24423.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 2170457617 is about 46588.1703547156. The cubic root of 2170457617 is about 1294.7435909016.

The spelling of 2170457617 in words is "two billion, one hundred seventy million, four hundred fifty-seven thousand, six hundred seventeen".