667428168313 has 16 divisors (see below), whose sum is σ = 707529712320. Its totient is φ = 627420556800.

The previous prime is 667428168307. The next prime is 667428168349. The reversal of 667428168313 is 313861824766.

It is a cyclic number.

It is not a de Polignac number, because 667428168313 - 2¹³ = 667428160121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667428168013) 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, 59794453 + ... + 59805613.

It is an arithmetic number, because the mean of its divisors is an integer number (44220607020).

Almost surely, 2^667428168313 is an apocalyptic number.

It is an amenable number.

667428168313 is a deficient number, since it is larger than the sum of its proper divisors (40101544007).

667428168313 is a wasteful number, since it uses less digits than its factorization.

667428168313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15048.

The product of its digits is 6967296, while the sum is 55.

The spelling of 667428168313 in words is "six hundred sixty-seven billion, four hundred twenty-eight million, one hundred sixty-eight thousand, three hundred thirteen".