106566765671 has 4 divisors (see below), whose sum is σ = 108834143712. Its totient is φ = 104299387632.

The previous prime is 106566765661. The next prime is 106566765673. The reversal of 106566765671 is 176567665601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176567665601 = 221171 ⋅798331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106566765671 is a prime.

It is a super-2 number, since 2×106566765671² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106566765673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133688950 + ... + 1133689043.

It is an arithmetic number, because the mean of its divisors is an integer number (27208535928).

Almost surely, 2^106566765671 is an apocalyptic number.

106566765671 is a deficient number, since it is larger than the sum of its proper divisors (2267378041).

106566765671 is an equidigital number, since it uses as much as digits as its factorization.

106566765671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267378040.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 106566765671 in words is "one hundred six billion, five hundred sixty-six million, seven hundred sixty-five thousand, six hundred seventy-one".