10506662066 has 8 divisors (see below), whose sum is σ = 16589466480. Its totient is φ = 4976839908.

The previous prime is 10506662059. The next prime is 10506662107. The reversal of 10506662066 is 66026660501.

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

It is a super-2 number, since 2×10506662066² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 276491107 = 10506662066 / (1 + 0 + 5 + 0 + 6 + 6 + 6 + 2 + 0 + 6 + 6).

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, 138245516 + ... + 138245591.

It is an arithmetic number, because the mean of its divisors is an integer number (2073683310).

Almost surely, 2^10506662066 is an apocalyptic number.

10506662066 is a deficient number, since it is larger than the sum of its proper divisors (6082804414).

10506662066 is a wasteful number, since it uses less digits than its factorization.

10506662066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276491128.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 10506662066 in words is "ten billion, five hundred six million, six hundred sixty-two thousand, sixty-six".