106010556661 has 4 divisors (see below), whose sum is σ = 106092673024. Its totient is φ = 105928440300.

The previous prime is 106010556643. The next prime is 106010556667. The reversal of 106010556661 is 166655010601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166655010601 = 89 ⋅1872528209.

It is a cyclic number.

It is not a de Polignac number, because 106010556661 - 2⁵ = 106010556629 is a prime.

It is a super-2 number, since 2×106010556661² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106010556661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106010556667) 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, 41056245 + ... + 41058826.

It is an arithmetic number, because the mean of its divisors is an integer number (26523168256).

Almost surely, 2^106010556661 is an apocalyptic number.

It is an amenable number.

106010556661 is a deficient number, since it is larger than the sum of its proper divisors (82116363).

106010556661 is an equidigital number, since it uses as much as digits as its factorization.

106010556661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82116362.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 106010556661 in words is "one hundred six billion, ten million, five hundred fifty-six thousand, six hundred sixty-one".