667235170227 has 16 divisors (see below), whose sum is σ = 906302960640. Its totient is φ = 436562847552.

The previous prime is 667235170187. The next prime is 667235170243. The reversal of 667235170227 is 722071532766.

It is not a de Polignac number, because 667235170227 - 2¹¹ = 667235168179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667235170247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8389578 + ... + 8468735.

It is an arithmetic number, because the mean of its divisors is an integer number (56643935040).

Almost surely, 2^667235170227 is an apocalyptic number.

667235170227 is a deficient number, since it is larger than the sum of its proper divisors (239067790413).

667235170227 is a wasteful number, since it uses less digits than its factorization.

667235170227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16858562.

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 667235170227 in words is "six hundred sixty-seven billion, two hundred thirty-five million, one hundred seventy thousand, two hundred twenty-seven".