10662016506665 has 16 divisors (see below), whose sum is σ = 12926535213312. Its totient is φ = 8441539183104.

The previous prime is 10662016506623. The next prime is 10662016506727. The reversal of 10662016506665 is 56660561026601.

It is a cyclic number.

It is not a de Polignac number, because 10662016506665 - 2⁸ = 10662016506409 is a prime.

It is a super-2 number, since 2×10662016506665² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36894062 + ... + 37181928.

It is an arithmetic number, because the mean of its divisors is an integer number (807908450832).

Almost surely, 2^{10662016506665} is an apocalyptic number.

It is an amenable number.

10662016506665 is a deficient number, since it is larger than the sum of its proper divisors (2264518706647).

10662016506665 is an equidigital number, since it uses as much as digits as its factorization.

10662016506665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364336.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 10662016506665 in words is "ten trillion, six hundred sixty-two billion, sixteen million, five hundred six thousand, six hundred sixty-five".