109516406 has 4 divisors (see below), whose sum is σ = 164274612. Its totient is φ = 54758202.

The previous prime is 109516373. The next prime is 109516427. The reversal of 109516406 is 604615901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604615901 = 4229 ⋅142969.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27379100 + ... + 27379103.

It is an arithmetic number, because the mean of its divisors is an integer number (41068653).

Almost surely, 2^109516406 is an apocalyptic number.

109516406 is a deficient number, since it is larger than the sum of its proper divisors (54758206).

109516406 is an equidigital number, since it uses as much as digits as its factorization.

109516406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54758205.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 109516406 is about 10465.0086478703. The cubic root of 109516406 is about 478.4388021374.

The spelling of 109516406 in words is "one hundred nine million, five hundred sixteen thousand, four hundred six".