109197516 has 12 divisors (see below), whose sum is σ = 254794232. Its totient is φ = 36399168.

The previous prime is 109197509. The next prime is 109197523. The reversal of 109197516 is 615791901.

It is an interprime number because it is at equal distance from previous prime (109197509) and next prime (109197523).

It is a tau number, because it is divible by the number of its divisors (12).

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, 4549885 + ... + 4549908.

Almost surely, 2^109197516 is an apocalyptic number.

It is an amenable number.

109197516 is an abundant number, since it is smaller than the sum of its proper divisors (145596716).

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

109197516 is a wasteful number, since it uses less digits than its factorization.

109197516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9099800 (or 9099798 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 39.

The square root of 109197516 is about 10449.7615283795. The cubic root of 109197516 is about 477.9739777971.

The spelling of 109197516 in words is "one hundred nine million, one hundred ninety-seven thousand, five hundred sixteen".