10665340 has 36 divisors (see below), whose sum is σ = 26056296. Its totient is φ = 3656352.

The previous prime is 10665337. The next prime is 10665367. The reversal of 10665340 is 4356601.

It is a super-2 number, since 2×10665340² = 227498954631200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4462 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (723786).

Almost surely, 2^10665340 is an apocalyptic number.

10665340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10665340 is an abundant number, since it is smaller than the sum of its proper divisors (15390956).

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

10665340 is a wasteful number, since it uses less digits than its factorization.

10665340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906 (or 10897 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 10665340 is about 3265.7832138708. The cubic root of 10665340 is about 220.1193567212.

The spelling of 10665340 in words is "ten million, six hundred sixty-five thousand, three hundred forty".