665084083 has 4 divisors (see below), whose sum is σ = 681305688. Its totient is φ = 648862480.

The previous prime is 665084059. The next prime is 665084099. The reversal of 665084083 is 380480566.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380480566 = 2 ⋅190240283.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-665084083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (665084023) 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, 8110741 + ... + 8110822.

It is an arithmetic number, because the mean of its divisors is an integer number (170326422).

Almost surely, 2^665084083 is an apocalyptic number.

665084083 is a deficient number, since it is larger than the sum of its proper divisors (16221605).

665084083 is a wasteful number, since it uses less digits than its factorization.

665084083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16221604.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 665084083 is about 25789.2241643676. The cubic root of 665084083 is about 872.8886599402. Note that the first 3 decimals are identical.

The spelling of 665084083 in words is "six hundred sixty-five million, eighty-four thousand, eighty-three".