10655671660665 has 16 divisors (see below), whose sum is σ = 17049279110976. Its totient is φ = 5682956734400.

The previous prime is 10655671660639. The next prime is 10655671660681. The reversal of 10655671660665 is 56606617655601.

10655671660665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10655671660665 - 2⁷ = 10655671660537 is a prime.

It is a super-2 number, since 2×10655671660665² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 10655671660599 and 10655671660608.

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, 2954031 + ... + 5480660.

It is an arithmetic number, because the mean of its divisors is an integer number (1065579944436).

Almost surely, 2^{10655671660665} is an apocalyptic number.

10655671660665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10655671660665 is a deficient number, since it is larger than the sum of its proper divisors (6393607450311).

10655671660665 is an equidigital number, since it uses as much as digits as its factorization.

10655671660665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8518920.

The product of its (nonzero) digits is 40824000, while the sum is 60.

The spelling of 10655671660665 in words is "ten trillion, six hundred fifty-five billion, six hundred seventy-one million, six hundred sixty thousand, six hundred sixty-five".