667542237237043 has 8 divisors (see below), whose sum is σ = 762993825853280. Its totient is φ = 572112751587840.

The previous prime is 667542237236999. The next prime is 667542237237049. The reversal of 667542237237043 is 340732732245766.

667542237237043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 667542237237043 - 2⁹ = 667542237236531 is a prime.

It is a super-2 number, since 2×667542237237043² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (667542237237049) 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, 5525677038 + ... + 5525797843.

It is an arithmetic number, because the mean of its divisors is an integer number (95374228231660).

Almost surely, 2^{667542237237043} is an apocalyptic number.

667542237237043 is a deficient number, since it is larger than the sum of its proper divisors (95451588616237).

667542237237043 is a wasteful number, since it uses less digits than its factorization.

667542237237043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051483517.

The product of its (nonzero) digits is 213373440, while the sum is 61.

The spelling of 667542237237043 in words is "six hundred sixty-seven trillion, five hundred forty-two billion, two hundred thirty-seven million, two hundred thirty-seven thousand, forty-three".