106661155 has 8 divisors (see below), whose sum is σ = 134730000. Its totient is φ = 80837856.

The previous prime is 106661153. The next prime is 106661161. The reversal of 106661155 is 551166601.

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

It is not a de Polignac number, because 106661155 - 2¹ = 106661153 is a prime.

It is a super-2 number, since 2×106661155² = 22753203971868050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106661153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561280 + ... + 561469.

It is an arithmetic number, because the mean of its divisors is an integer number (16841250).

Almost surely, 2^106661155 is an apocalyptic number.

106661155 is a deficient number, since it is larger than the sum of its proper divisors (28068845).

106661155 is a wasteful number, since it uses less digits than its factorization.

106661155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122773.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 106661155 is about 10327.6887540243. The cubic root of 106661155 is about 474.2442719537.

The spelling of 106661155 in words is "one hundred six million, six hundred sixty-one thousand, one hundred fifty-five".