10665042351165 has 24 divisors (see below), whose sum is σ = 18486198926208. Its totient is φ = 5687983966560.

The previous prime is 10665042351151. The next prime is 10665042351181. The reversal of 10665042351165 is 56115324056601.

10665042351165 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 50 + 4 + 23 + 511 + 65 = 666.

10665042351165 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 10665042351165 - 2⁴ = 10665042351149 is a prime.

It is a super-2 number, since 2×10665042351165² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10665042351165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6656992 + ... + 8102198.

It is an arithmetic number, because the mean of its divisors is an integer number (770258288592).

Almost surely, 2^{10665042351165} is an apocalyptic number.

10665042351165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10665042351165 is a deficient number, since it is larger than the sum of its proper divisors (7821156575043).

10665042351165 is a wasteful number, since it uses less digits than its factorization.

10665042351165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609209 (or 1609206 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 10665042351165 in words is "ten trillion, six hundred sixty-five billion, forty-two million, three hundred fifty-one thousand, one hundred sixty-five".