106661206 has 4 divisors (see below), whose sum is σ = 159991812. Its totient is φ = 53330602.

The previous prime is 106661201. The next prime is 106661209. The reversal of 106661206 is 602166601.

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

It is a super-2 number, since 2×106661206² = 22753225730748872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106661201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26665300 + ... + 26665303.

It is an arithmetic number, because the mean of its divisors is an integer number (39997953).

Almost surely, 2^106661206 is an apocalyptic number.

106661206 is a deficient number, since it is larger than the sum of its proper divisors (53330606).

106661206 is an equidigital number, since it uses as much as digits as its factorization.

106661206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53330605.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 106661206 is about 10327.6912231147. The cubic root of 106661206 is about 474.2443475403.

The spelling of 106661206 in words is "one hundred six million, six hundred sixty-one thousand, two hundred six".