109650666 has 16 divisors (see below), whose sum is σ = 219776544. Its totient is φ = 36471024.

The previous prime is 109650649. The next prime is 109650703. The reversal of 109650666 is 666056901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16765 + ... + 22368.

It is an arithmetic number, because the mean of its divisors is an integer number (13736034).

Almost surely, 2^109650666 is an apocalyptic number.

109650666 is an abundant number, since it is smaller than the sum of its proper divisors (110125878).

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

109650666 is a wasteful number, since it uses less digits than its factorization.

109650666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39605.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 109650666 is about 10471.4213934881. The cubic root of 109650666 is about 478.6342339282.

The spelling of 109650666 in words is "one hundred nine million, six hundred fifty thousand, six hundred sixty-six".