667674231306 has 16 divisors (see below), whose sum is σ = 1349114942784. Its totient is φ = 220263663744.

The previous prime is 667674231283. The next prime is 667674231307. The reversal of 667674231306 is 603132476766.

It is not an unprimeable number, because it can be changed into a prime (667674231307) 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, 573602710 + ... + 573603873.

It is an arithmetic number, because the mean of its divisors is an integer number (84319683924).

Almost surely, 2^667674231306 is an apocalyptic number.

667674231306 is an abundant number, since it is smaller than the sum of its proper divisors (681440711478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667674231306 is a wasteful number, since it uses less digits than its factorization.

667674231306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147206685.

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

The spelling of 667674231306 in words is "six hundred sixty-seven billion, six hundred seventy-four million, two hundred thirty-one thousand, three hundred six".