106666426 has 8 divisors (see below), whose sum is σ = 160362144. Its totient is φ = 53212380.

The previous prime is 106666421. The next prime is 106666451. The reversal of 106666426 is 624666601.

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

It is a super-2 number, since 2×106666426² = 22755452871226952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106666421) 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, 59310 + ... + 61081.

It is an arithmetic number, because the mean of its divisors is an integer number (20045268).

Almost surely, 2^106666426 is an apocalyptic number.

106666426 is a deficient number, since it is larger than the sum of its proper divisors (53695718).

106666426 is a wasteful number, since it uses less digits than its factorization.

106666426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120836.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 106666426 is about 10327.9439386550. The cubic root of 106666426 is about 474.2520839211.

The spelling of 106666426 in words is "one hundred six million, six hundred sixty-six thousand, four hundred twenty-six".