106440666 has 8 divisors (see below), whose sum is σ = 212881344. Its totient is φ = 35480220.

The previous prime is 106440637. The next prime is 106440673. The reversal of 106440666 is 666044601.

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

106440666 is an admirable number.

It is a super-2 number, since 2×106440666² = 22659230757047112, which contains 22 as substring.

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, 8870050 + ... + 8870061.

It is an arithmetic number, because the mean of its divisors is an integer number (26610168).

Almost surely, 2^106440666 is an apocalyptic number.

106440666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

106440666 is a wasteful number, since it uses less digits than its factorization.

106440666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17740116.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 106440666 is about 10317.0085780715. The cubic root of 106440666 is about 473.9172619923.

The spelling of 106440666 in words is "one hundred six million, four hundred forty thousand, six hundred sixty-six".