660616531143 has 8 divisors (see below), whose sum is σ = 881821843056. Its totient is φ = 439911120000.

The previous prime is 660616531097. The next prime is 660616531153. The reversal of 660616531143 is 341135616066.

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

It is not a de Polignac number, because 660616531143 - 2⁹ = 660616530631 is a prime.

It is a super-3 number, since 3×660616531143³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 660616531095 and 660616531104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660616531153) 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, 124972108 + ... + 124977393.

It is an arithmetic number, because the mean of its divisors is an integer number (110227730382).

Almost surely, 2^660616531143 is an apocalyptic number.

660616531143 is a deficient number, since it is larger than the sum of its proper divisors (221205311913).

660616531143 is a wasteful number, since it uses less digits than its factorization.

660616531143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249950385.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 660616531143 in words is "six hundred sixty billion, six hundred sixteen million, five hundred thirty-one thousand, one hundred forty-three".