101660717 has 4 divisors (see below), whose sum is σ = 103383840. Its totient is φ = 99937596.

The previous prime is 101660707. The next prime is 101660737. The reversal of 101660717 is 717066101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 717066101 = 23 ⋅31176787.

It is a cyclic number.

It is not a de Polignac number, because 101660717 - 2⁴ = 101660701 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 101660717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101660707) 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 3 ways as a sum of consecutive naturals, for example, 861473 + ... + 861590.

It is an arithmetic number, because the mean of its divisors is an integer number (25845960).

Almost surely, 2^101660717 is an apocalyptic number.

It is an amenable number.

101660717 is a deficient number, since it is larger than the sum of its proper divisors (1723123).

101660717 is an equidigital number, since it uses as much as digits as its factorization.

101660717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723122.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 101660717 is about 10082.6939356503. The cubic root of 101660717 is about 466.7142445256.

The spelling of 101660717 in words is "one hundred one million, six hundred sixty thousand, seven hundred seventeen".