109163156 has 12 divisors (see below), whose sum is σ = 195695220. Its totient is φ = 53250240.

The previous prime is 109163143. The next prime is 109163179. The reversal of 109163156 is 651361901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2371600 + 106791556 = 1540^2 + 10334^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332651 + ... + 332978.

It is an arithmetic number, because the mean of its divisors is an integer number (16307935).

Almost surely, 2^109163156 is an apocalyptic number.

It is an amenable number.

109163156 is a deficient number, since it is larger than the sum of its proper divisors (86532064).

109163156 is a wasteful number, since it uses less digits than its factorization.

109163156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665674 (or 665672 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 109163156 is about 10448.1173423732. The cubic root of 109163156 is about 477.9238395725.

The spelling of 109163156 in words is "one hundred nine million, one hundred sixty-three thousand, one hundred fifty-six".