4665626081665 has 8 divisors (see below), whose sum is σ = 5598763890408. Its totient is φ = 3732492470400.

The previous prime is 4665626081653. The next prime is 4665626081671. The reversal of 4665626081665 is 5661806265664.

It can be written as a sum of positive squares in 4 ways, for example, as 335393873424 + 4330232208241 = 579132^2 + 2080921^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-4665626081665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467515 + ... + 3926815.

It is an arithmetic number, because the mean of its divisors is an integer number (699845486301).

Almost surely, 2^{4665626081665} is an apocalyptic number.

It is an amenable number.

4665626081665 is a deficient number, since it is larger than the sum of its proper divisors (933137808743).

4665626081665 is a wasteful number, since it uses less digits than its factorization.

4665626081665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098739.

The product of its (nonzero) digits is 74649600, while the sum is 61.

The spelling of 4665626081665 in words is "four trillion, six hundred sixty-five billion, six hundred twenty-six million, eighty-one thousand, six hundred sixty-five".