10551323566 has 12 divisors (see below), whose sum is σ = 18410983128. Its totient is φ = 4521995772.

The previous prime is 10551323557. The next prime is 10551323591. The reversal of 10551323566 is 66532315501.

It is a super-2 number, since 2×10551323566² (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, 53833186 + ... + 53833381.

It is an arithmetic number, because the mean of its divisors is an integer number (1534248594).

Almost surely, 2^10551323566 is an apocalyptic number.

10551323566 is a deficient number, since it is larger than the sum of its proper divisors (7859659562).

10551323566 is a wasteful number, since it uses less digits than its factorization.

10551323566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107666583 (or 107666576 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 10551323566 in words is "ten billion, five hundred fifty-one million, three hundred twenty-three thousand, five hundred sixty-six".