10668436550 has 12 divisors (see below), whose sum is σ = 19843292076. Its totient is φ = 4267374600.

The previous prime is 10668436549. The next prime is 10668436577. The reversal of 10668436550 is 5563486601.

It is a super-2 number, since 2×10668436550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 106684316 + ... + 106684415.

It is an arithmetic number, because the mean of its divisors is an integer number (1653607673).

Almost surely, 2^10668436550 is an apocalyptic number.

10668436550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10668436550 is a deficient number, since it is larger than the sum of its proper divisors (9174855526).

10668436550 is a wasteful number, since it uses less digits than its factorization.

10668436550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213368743 (or 213368738 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 10668436550 in words is "ten billion, six hundred sixty-eight million, four hundred thirty-six thousand, five hundred fifty".