667510865907141 has 8 divisors (see below), whose sum is σ = 890014791997120. Its totient is φ = 445007091877632.

The previous prime is 667510865907097. The next prime is 667510865907143. The reversal of 667510865907141 is 141709568015766.

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

It is not a de Polignac number, because 667510865907141 - 2¹⁵ = 667510865874373 is a prime.

It is a super-2 number, since 2×667510865907141² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667510865907143) 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, 27344425 + ... + 45637038.

It is an arithmetic number, because the mean of its divisors is an integer number (111251848999640).

Almost surely, 2^{667510865907141} is an apocalyptic number.

It is an amenable number.

667510865907141 is a deficient number, since it is larger than the sum of its proper divisors (222503926089979).

667510865907141 is a wasteful number, since it uses less digits than its factorization.

667510865907141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76030235.

The product of its (nonzero) digits is 76204800, while the sum is 66.

The spelling of 667510865907141 in words is "six hundred sixty-seven trillion, five hundred ten billion, eight hundred sixty-five million, nine hundred seven thousand, one hundred forty-one".