10668436551 has 12 divisors (see below), whose sum is σ = 15826449912. Its totient is φ = 6920066736.

The previous prime is 10668436549. The next prime is 10668436577. The reversal of 10668436551 is 15563486601.

10668436551 is a `hidden beast` number, since 1 + 0 + 6 + 68 + 4 + 36 + 551 = 666.

It is not a de Polignac number, because 10668436551 - 2¹ = 10668436549 is a prime.

It is a super-2 number, since 2×10668436551² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 10668436497 and 10668436506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10668436531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16018341 + ... + 16019006.

It is an arithmetic number, because the mean of its divisors is an integer number (1318870826).

Almost surely, 2^10668436551 is an apocalyptic number.

10668436551 is a deficient number, since it is larger than the sum of its proper divisors (5158013361).

10668436551 is a wasteful number, since it uses less digits than its factorization.

10668436551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32037390 (or 32037387 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 10668436551 in words is "ten billion, six hundred sixty-eight million, four hundred thirty-six thousand, five hundred fifty-one".