106056216655 has 4 divisors (see below), whose sum is σ = 127267459992. Its totient is φ = 84844973320.

The previous prime is 106056216653. The next prime is 106056216659. The reversal of 106056216655 is 556612650601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 106056216655 - 2¹ = 106056216653 is a prime.

It is a super-2 number, since 2×106056216655² (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 (106056216653) 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, 10605621661 + ... + 10605621670.

It is an arithmetic number, because the mean of its divisors is an integer number (31816864998).

Almost surely, 2^106056216655 is an apocalyptic number.

106056216655 is a deficient number, since it is larger than the sum of its proper divisors (21211243337).

106056216655 is an equidigital number, since it uses as much as digits as its factorization.

106056216655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21211243336.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 106056216655 in words is "one hundred six billion, fifty-six million, two hundred sixteen thousand, six hundred fifty-five".