667231535245 has 16 divisors (see below), whose sum is σ = 873614237760. Its totient is φ = 485177353600.

The previous prime is 667231535233. The next prime is 667231535281. The reversal of 667231535245 is 542535132766.

It is a happy number.

It is not a de Polignac number, because 667231535245 - 2⁹ = 667231534733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694696 + ... + 1347985.

It is an arithmetic number, because the mean of its divisors is an integer number (54600889860).

Almost surely, 2^667231535245 is an apocalyptic number.

It is an amenable number.

667231535245 is a deficient number, since it is larger than the sum of its proper divisors (206382702515).

667231535245 is a wasteful number, since it uses less digits than its factorization.

667231535245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048636.

The product of its digits is 4536000, while the sum is 49.

The spelling of 667231535245 in words is "six hundred sixty-seven billion, two hundred thirty-one million, five hundred thirty-five thousand, two hundred forty-five".