106666670 has 32 divisors (see below), whose sum is σ = 221779296. Its totient is φ = 36505600.

The previous prime is 106666643. The next prime is 106666673. The reversal of 106666670 is 76666601.

It is a happy number.

It is a super-2 number, since 2×106666670² = 22755556977777800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106666673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26651 + ... + 30390.

It is an arithmetic number, because the mean of its divisors is an integer number (6930603).

Almost surely, 2^106666670 is an apocalyptic number.

106666670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106666670 is an abundant number, since it is smaller than the sum of its proper divisors (115112626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106666670 is a wasteful number, since it uses less digits than its factorization.

106666670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57076.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 106666670 is about 10327.9557512607. The cubic root of 106666670 is about 474.2524455388.

The spelling of 106666670 in words is "one hundred six million, six hundred sixty-six thousand, six hundred seventy".