66570655343 has 8 divisors (see below), whose sum is σ = 66810710400. Its totient is φ = 66330878040.

The previous prime is 66570655309. The next prime is 66570655363. The reversal of 66570655343 is 34355607566.

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 66570655343 - 2¹² = 66570651247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66570655291 and 66570655300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66570655363) 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, 416888 + ... + 554018.

It is an arithmetic number, because the mean of its divisors is an integer number (8351338800).

Almost surely, 2^66570655343 is an apocalyptic number.

66570655343 is a deficient number, since it is larger than the sum of its proper divisors (240055057).

66570655343 is a wasteful number, since it uses less digits than its factorization.

66570655343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138877.

The product of its (nonzero) digits is 6804000, while the sum is 50.

The spelling of 66570655343 in words is "sixty-six billion, five hundred seventy million, six hundred fifty-five thousand, three hundred forty-three".