10345707665 has 16 divisors (see below), whose sum is σ = 12663381456. Its totient is φ = 8111846400.

The previous prime is 10345707599. The next prime is 10345707721. The reversal of 10345707665 is 56670754301.

It can be written as a sum of positive squares in 8 ways, for example, as 724255744 + 9621451921 = 26912^2 + 98089^2 .

It is not a de Polignac number, because 10345707665 - 2²⁰ = 10344659089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25349 + ... + 146061.

It is an arithmetic number, because the mean of its divisors is an integer number (791461341).

Almost surely, 2^10345707665 is an apocalyptic number.

It is an amenable number.

10345707665 is a deficient number, since it is larger than the sum of its proper divisors (2317673791).

10345707665 is a wasteful number, since it uses less digits than its factorization.

10345707665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121060.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 10345707665 in words is "ten billion, three hundred forty-five million, seven hundred seven thousand, six hundred sixty-five".