107666666 has 4 divisors (see below), whose sum is σ = 161500002. Its totient is φ = 53833332.

The previous prime is 107666639. The next prime is 107666683. The reversal of 107666666 is 666666701.

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., 54449641 + 53217025 = 7379^2 + 7295^2 .

It is a super-2 number, since 2×107666666² = 23184221935111112, which contains 22 as substring.

107666666 is a modest number, since divided by 66666 gives 1076 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26916665 + ... + 26916668.

Almost surely, 2^107666666 is an apocalyptic number.

107666666 is a deficient number, since it is larger than the sum of its proper divisors (53833336).

107666666 is an equidigital number, since it uses as much as digits as its factorization.

107666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53833335.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 107666666 is about 10376.2549120576. The cubic root of 107666666 is about 475.7298710942.

The spelling of 107666666 in words is "one hundred seven million, six hundred sixty-six thousand, six hundred sixty-six".