10645523066 has 8 divisors (see below), whose sum is σ = 15969524340. Its totient is φ = 5322348288.

The previous prime is 10645523051. The next prime is 10645523071. The reversal of 10645523066 is 66032554601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8964113041 + 1681410025 = 94679^2 + 41005^2 .

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

It is a super-2 number, since 2×10645523066² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173351 + ... + 226586.

Almost surely, 2^10645523066 is an apocalyptic number.

10645523066 is a deficient number, since it is larger than the sum of its proper divisors (5324001274).

10645523066 is a wasteful number, since it uses less digits than its factorization.

10645523066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413248.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 10645523066 in words is "ten billion, six hundred forty-five million, five hundred twenty-three thousand, sixty-six".