109068666 has 16 divisors (see below), whose sum is σ = 249299904. Its totient is φ = 31162464.

The previous prime is 109068649. The next prime is 109068667. The reversal of 109068666 is 666860901.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2596873 = 109068666 / (1 + 0 + 9 + 0 + 6 + 8 + 6 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (109068667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298395 + ... + 1298478.

It is an arithmetic number, because the mean of its divisors is an integer number (15581244).

Almost surely, 2^109068666 is an apocalyptic number.

109068666 is an abundant number, since it is smaller than the sum of its proper divisors (140231238).

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

109068666 is a wasteful number, since it uses less digits than its factorization.

109068666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596885.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 109068666 is about 10443.5944961493. The cubic root of 109068666 is about 477.7859051839.

The spelling of 109068666 in words is "one hundred nine million, sixty-eight thousand, six hundred sixty-six".