10945643165 has 8 divisors (see below), whose sum is σ = 13137181440. Its totient is φ = 8754908112.

The previous prime is 10945643143. The next prime is 10945643197. The reversal of 10945643165 is 56134654901.

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

It is a cyclic number.

It is not a de Polignac number, because 10945643165 - 2¹² = 10945639069 is a prime.

It is a super-2 number, since 2×10945643165² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 170405 + ... + 225674.

It is an arithmetic number, because the mean of its divisors is an integer number (1642147680).

Almost surely, 2^10945643165 is an apocalyptic number.

It is an amenable number.

10945643165 is a deficient number, since it is larger than the sum of its proper divisors (2191538275).

10945643165 is an equidigital number, since it uses as much as digits as its factorization.

10945643165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401611.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 10945643165 in words is "ten billion, nine hundred forty-five million, six hundred forty-three thousand, one hundred sixty-five".