6106666 has 4 divisors (see below), whose sum is σ = 9160002. Its totient is φ = 3053332.

The previous prime is 6106643. The next prime is 6106673. The reversal of 6106666 is 6666016.

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

It can be written as a sum of positive squares in only one way, i.e., 3530641 + 2576025 = 1879^2 + 1605^2 .

6106666 is a modest number, since divided by 6666 gives 610 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526665 + ... + 1526668.

Almost surely, 2^6106666 is an apocalyptic number.

6106666 is a deficient number, since it is larger than the sum of its proper divisors (3053336).

6106666 is a wasteful number, since it uses less digits than its factorization.

6106666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053335.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 6106666 is about 2471.1669308244. The cubic root of 6106666 is about 182.7825460115.

The spelling of 6106666 in words is "six million, one hundred six thousand, six hundred sixty-six".