66342546501143 has 4 divisors (see below), whose sum is σ = 72373687092168. Its totient is φ = 60311405910120.

The previous prime is 66342546501083. The next prime is 66342546501233. The reversal of 66342546501143 is 34110564524366.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66342546501143 - 2¹⁰ = 66342546500119 is a prime.

It is a super-2 number, since 2×66342546501143² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66342546501091 and 66342546501100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66342546501043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015570295496 + ... + 3015570295517.

It is an arithmetic number, because the mean of its divisors is an integer number (18093421773042).

Almost surely, 2^{66342546501143} is an apocalyptic number.

66342546501143 is a deficient number, since it is larger than the sum of its proper divisors (6031140591025).

66342546501143 is a wasteful number, since it uses less digits than its factorization.

66342546501143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031140591024.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 66342546501143 in words is "sixty-six trillion, three hundred forty-two billion, five hundred forty-six million, five hundred one thousand, one hundred forty-three".