106005666155 has 4 divisors (see below), whose sum is σ = 127206799392. Its totient is φ = 84804532920.

The previous prime is 106005666101. The next prime is 106005666167. The reversal of 106005666155 is 551666500601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551666500601 = 19 ⋅29035078979.

It is not a de Polignac number, because 106005666155 - 2²⁴ = 105988888939 is a prime.

It is a super-2 number, since 2×106005666155² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 10600566611 + ... + 10600566620.

It is an arithmetic number, because the mean of its divisors is an integer number (31801699848).

Almost surely, 2^106005666155 is an apocalyptic number.

106005666155 is a deficient number, since it is larger than the sum of its proper divisors (21201133237).

106005666155 is an equidigital number, since it uses as much as digits as its factorization.

106005666155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201133236.

The product of its (nonzero) digits is 162000, while the sum is 41.

It can be divided in two parts, 1060056 and 66155, that added together give a palindrome (1126211).

The spelling of 106005666155 in words is "one hundred six billion, five million, six hundred sixty-six thousand, one hundred fifty-five".