10016606665 has 8 divisors (see below), whose sum is σ = 12944537928. Its totient is φ = 7396878720.

The previous prime is 10016606659. The next prime is 10016606777. The reversal of 10016606665 is 56660661001.

It can be written as a sum of positive squares in 4 ways, for example, as 1061391241 + 8955215424 = 32579^2 + 94632^2 .

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

It is not a de Polignac number, because 10016606665 - 2¹⁷ = 10016475593 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, 77050756 + ... + 77050885.

It is an arithmetic number, because the mean of its divisors is an integer number (1618067241).

Almost surely, 2^10016606665 is an apocalyptic number.

It is an amenable number.

10016606665 is a deficient number, since it is larger than the sum of its proper divisors (2927931263).

10016606665 is a wasteful number, since it uses less digits than its factorization.

10016606665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154101659.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 10016606665 in words is "ten billion, sixteen million, six hundred six thousand, six hundred sixty-five".