6665203413 has 96 divisors (see below), whose sum is σ = 11362695552. Its totient is φ = 3720192000.

The previous prime is 6665203397. The next prime is 6665203507. The reversal of 6665203413 is 3143025666.

It is not a de Polignac number, because 6665203413 - 2⁴ = 6665203397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665203513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19207906 + ... + 19208252.

It is an arithmetic number, because the mean of its divisors is an integer number (118361412).

Almost surely, 2^6665203413 is an apocalyptic number.

It is an amenable number.

6665203413 is a deficient number, since it is larger than the sum of its proper divisors (4697492139).

6665203413 is a wasteful number, since it uses less digits than its factorization.

6665203413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 6665203413 is about 81640.6970389156. The cubic root of 6665203413 is about 1881.9343502445.

The spelling of 6665203413 in words is "six billion, six hundred sixty-five million, two hundred three thousand, four hundred thirteen".