66502343 has 8 divisors (see below), whose sum is σ = 67555488. Its totient is φ = 65453184.

The previous prime is 66502301. The next prime is 66502349. The reversal of 66502343 is 34320566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66502343 - 2⁸ = 66502087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66502349) 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 7 ways as a sum of consecutive naturals, for example, 62030 + ... + 63092.

It is an arithmetic number, because the mean of its divisors is an integer number (8444436).

Almost surely, 2^66502343 is an apocalyptic number.

66502343 is a deficient number, since it is larger than the sum of its proper divisors (1053145).

66502343 is a wasteful number, since it uses less digits than its factorization.

66502343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 66502343 is about 8154.8968724319. The cubic root of 66502343 is about 405.1467090296.

The spelling of 66502343 in words is "sixty-six million, five hundred two thousand, three hundred forty-three".