10661550206 has 8 divisors (see below), whose sum is σ = 16088088240. Its totient is φ = 5298854128.

The previous prime is 10661550143. The next prime is 10661550223. The reversal of 10661550206 is 60205516601.

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

It is a super-2 number, since 2×10661550206² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 15960071 + ... + 15960738.

It is an arithmetic number, because the mean of its divisors is an integer number (2011011030).

Almost surely, 2^10661550206 is an apocalyptic number.

10661550206 is a deficient number, since it is larger than the sum of its proper divisors (5426538034).

10661550206 is a wasteful number, since it uses less digits than its factorization.

10661550206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31920978.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 10661550206 in words is "ten billion, six hundred sixty-one million, five hundred fifty thousand, two hundred six".