667428168333 has 32 divisors (see below), whose sum is σ = 935795427840. Its totient is φ = 422732943360.

The previous prime is 667428168307. The next prime is 667428168349. The reversal of 667428168333 is 333861824766.

667428168333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667428168333 - 2⁵ = 667428168301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667428168233) 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, 238885 + ... + 1179797.

It is an arithmetic number, because the mean of its divisors is an integer number (29243607120).

Almost surely, 2^667428168333 is an apocalyptic number.

It is an amenable number.

667428168333 is a deficient number, since it is larger than the sum of its proper divisors (268367259507).

667428168333 is a wasteful number, since it uses less digits than its factorization.

667428168333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941109.

The product of its digits is 20901888, while the sum is 57.

The spelling of 667428168333 in words is "six hundred sixty-seven billion, four hundred twenty-eight million, one hundred sixty-eight thousand, three hundred thirty-three".