660229430543 has 8 divisors (see below), whose sum is σ = 694986614400. Its totient is φ = 625473073368.

The previous prime is 660229430519. The next prime is 660229430587. The reversal of 660229430543 is 345034922066.

It is a happy number.

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 660229430543 - 2³⁴ = 643049561359 is a prime.

It is a super-2 number, since 2×660229430543² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660229430494 and 660229430503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660229430503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083478 + ... + 2379356.

It is an arithmetic number, because the mean of its divisors is an integer number (86873326800).

Almost surely, 2^660229430543 is an apocalyptic number.

660229430543 is a deficient number, since it is larger than the sum of its proper divisors (34757183857).

660229430543 is a wasteful number, since it uses less digits than its factorization.

660229430543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413341.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 660229430543 in words is "six hundred sixty billion, two hundred twenty-nine million, four hundred thirty thousand, five hundred forty-three".