66960335 has 24 divisors (see below), whose sum is σ = 87927840. Its totient is φ = 48926592.

The previous prime is 66960319. The next prime is 66960349. The reversal of 66960335 is 53306966.

It is not a de Polignac number, because 66960335 - 2⁴ = 66960319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91742 + ... + 92468.

It is an arithmetic number, because the mean of its divisors is an integer number (3663660).

Almost surely, 2^66960335 is an apocalyptic number.

66960335 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

66960335 is a deficient number, since it is larger than the sum of its proper divisors (20967505).

66960335 is a wasteful number, since it uses less digits than its factorization.

66960335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 66960335 is about 8182.9294876590. The cubic root of 66960335 is about 406.0746443195.

The spelling of 66960335 in words is "sixty-six million, nine hundred sixty thousand, three hundred thirty-five".