6665330 has 16 divisors (see below), whose sum is σ = 13711680. Its totient is φ = 2285232.

The previous prime is 6665317. The next prime is 6665339. The reversal of 6665330 is 335666.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6665293 and 6665302.

It is not an unprimeable number, because it can be changed into a prime (6665339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47540 + ... + 47679.

It is an arithmetic number, because the mean of its divisors is an integer number (856980).

Almost surely, 2^6665330 is an apocalyptic number.

6665330 is an abundant number, since it is smaller than the sum of its proper divisors (7046350).

6665330 is a wasteful number, since it uses less digits than its factorization.

6665330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95233.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 6665330 is about 2581.7300401088. The cubic root of 6665330 is about 188.1946264205.

It can be divided in two parts, 666 and 5330, that multiplied together give a triangular number (3549780 = T₂₆₆₄).

The spelling of 6665330 in words is "six million, six hundred sixty-five thousand, three hundred thirty".