66352400143 has 8 divisors (see below), whose sum is σ = 67982556096. Its totient is φ = 64722806400.

The previous prime is 66352400141. The next prime is 66352400161. The reversal of 66352400143 is 34100425366.

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 66352400143 - 2¹ = 66352400141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66352400099 and 66352400108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66352400141) 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, 103530 + ... + 378712.

It is an arithmetic number, because the mean of its divisors is an integer number (8497819512).

Almost surely, 2^66352400143 is an apocalyptic number.

66352400143 is a deficient number, since it is larger than the sum of its proper divisors (1630155953).

66352400143 is a wasteful number, since it uses less digits than its factorization.

66352400143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281105.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 66352400143 in words is "sixty-six billion, three hundred fifty-two million, four hundred thousand, one hundred forty-three".