100160065 has 4 divisors (see below), whose sum is σ = 120192084. Its totient is φ = 80128048.

The previous prime is 100160051. The next prime is 100160069. The reversal of 100160065 is 560061001.

It is a Cunningham number, because it is equal to 10008²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560061001 = 397 ⋅1410733.

It can be written as a sum of positive squares in 2 ways, for example, as 36048016 + 64112049 = 6004^2 + 8007^2 .

It is a cyclic number.

It is not a de Polignac number, because 100160065 - 2⁵ = 100160033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100160069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10016002 + ... + 10016011.

It is an arithmetic number, because the mean of its divisors is an integer number (30048021).

Almost surely, 2^100160065 is an apocalyptic number.

It is an amenable number.

100160065 is a deficient number, since it is larger than the sum of its proper divisors (20032019).

100160065 is an equidigital number, since it uses as much as digits as its factorization.

100160065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20032018.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 100160065 is about 10008.0000499600. Note that the first 4 decimals coincide. The cubic root of 100160065 is about 464.4064033162.

The spelling of 100160065 in words is "one hundred million, one hundred sixty thousand, sixty-five".