106665020366 has 8 divisors (see below), whose sum is σ = 161550904944. Its totient is φ = 52814718720.

The previous prime is 106665020347. The next prime is 106665020377. The reversal of 106665020366 is 663020566601.

It is a happy number.

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

It is a super-2 number, since 2×106665020366² (a number of 23 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, 258895475 + ... + 258895886.

It is an arithmetic number, because the mean of its divisors is an integer number (20193863118).

Almost surely, 2^106665020366 is an apocalyptic number.

106665020366 is a deficient number, since it is larger than the sum of its proper divisors (54885884578).

106665020366 is a wasteful number, since it uses less digits than its factorization.

106665020366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517791466.

The product of its (nonzero) digits is 233280, while the sum is 41.

Adding to 106665020366 its reverse (663020566601), we get a palindrome (769685586967).

The spelling of 106665020366 in words is "one hundred six billion, six hundred sixty-five million, twenty thousand, three hundred sixty-six".