110639906 has 12 divisors (see below), whose sum is σ = 179708562. Its totient is φ = 51064416.

The previous prime is 110639897. The next prime is 110639911. The reversal of 110639906 is 609936011.

It can be written as a sum of positive squares in 3 ways, for example, as 89397025 + 21242881 = 9455^2 + 4609^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163331 + ... + 164006.

Almost surely, 2^110639906 is an apocalyptic number.

110639906 is a deficient number, since it is larger than the sum of its proper divisors (69068656).

110639906 is a wasteful number, since it uses less digits than its factorization.

110639906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327365 (or 327352 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 110639906 is about 10518.5505655485. The cubic root of 110639906 is about 480.0692984439.

The spelling of 110639906 in words is "one hundred ten million, six hundred thirty-nine thousand, nine hundred six".