109171116 has 18 divisors (see below), whose sum is σ = 275960412. Its totient is φ = 36390360.

The previous prime is 109171103. The next prime is 109171129. The reversal of 109171116 is 611171901.

It is an interprime number because it is at equal distance from previous prime (109171103) and next prime (109171129).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 109171116.

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, 1516230 + ... + 1516301.

It is an arithmetic number, because the mean of its divisors is an integer number (15331134).

Almost surely, 2^109171116 is an apocalyptic number.

It is an amenable number.

109171116 is an abundant number, since it is smaller than the sum of its proper divisors (166789296).

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

109171116 is a wasteful number, since it uses less digits than its factorization.

109171116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032541 (or 3032536 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 27.

The square root of 109171116 is about 10448.4982653011. The cubic root of 109171116 is about 477.9354557668.

The spelling of 109171116 in words is "one hundred nine million, one hundred seventy-one thousand, one hundred sixteen".