667216232673 has 32 divisors (see below), whose sum is σ = 897692544000. Its totient is φ = 440795674176.

The previous prime is 667216232651. The next prime is 667216232677. The reversal of 667216232673 is 376232612766.

667216232673 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667216232673 - 2²⁴ = 667199455457 is a prime.

It is a super-2 number, since 2×667216232673² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (667216232677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219694311 + ... + 219697347.

It is an arithmetic number, because the mean of its divisors is an integer number (28052892000).

Almost surely, 2^667216232673 is an apocalyptic number.

It is an amenable number.

667216232673 is a deficient number, since it is larger than the sum of its proper divisors (230476311327).

667216232673 is a wasteful number, since it uses less digits than its factorization.

667216232673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501.

The product of its digits is 4572288, while the sum is 51.

The spelling of 667216232673 in words is "six hundred sixty-seven billion, two hundred sixteen million, two hundred thirty-two thousand, six hundred seventy-three".