109000660 has 12 divisors (see below), whose sum is σ = 228901428. Its totient is φ = 43600256.

The previous prime is 109000649. The next prime is 109000669. The reversal of 109000660 is 66000901.

It can be written as a sum of positive squares in 2 ways, for example, as 19660356 + 89340304 = 4434^2 + 9452^2 .

It is a super-2 number, since 2×109000660² = 23762287760871200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109000669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2724997 + ... + 2725036.

It is an arithmetic number, because the mean of its divisors is an integer number (19075119).

Almost surely, 2^109000660 is an apocalyptic number.

109000660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109000660 is an abundant number, since it is smaller than the sum of its proper divisors (119900768).

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

109000660 is a wasteful number, since it uses less digits than its factorization.

109000660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450042 (or 5450040 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 109000660 is about 10440.3381171301. The cubic root of 109000660 is about 477.6865822377.

The spelling of 109000660 in words is "one hundred nine million, six hundred sixty", and thus it is an aban number.