10646243164450 has 24 divisors (see below), whose sum is σ = 19802162186532. Its totient is φ = 4258465029120.

The previous prime is 10646243164441. The next prime is 10646243164451. The reversal of 10646243164450 is 5446134264601.

It can be written as a sum of positive squares in 6 ways, for example, as 8589465546841 + 2056777617609 = 2930779^2 + 1434147^2 .

It is a super-2 number, since 2×10646243164450² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10646243164450.

It is not an unprimeable number, because it can be changed into a prime (10646243164451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6525522 + ... + 7992178.

Almost surely, 2^{10646243164450} is an apocalyptic number.

10646243164450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10646243164450 is a deficient number, since it is larger than the sum of its proper divisors (9155919022082).

10646243164450 is a wasteful number, since it uses less digits than its factorization.

10646243164450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611846 (or 1611841 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 10646243164450 in words is "ten trillion, six hundred forty-six billion, two hundred forty-three million, one hundred sixty-four thousand, four hundred fifty".