667233143855 has 16 divisors (see below), whose sum is σ = 806701072800. Its totient is φ = 529774801920.

The previous prime is 667233143839. The next prime is 667233143887. The reversal of 667233143855 is 558341332766.

It is not a de Polignac number, because 667233143855 - 2⁴ = 667233143839 is a prime.

It is a super-2 number, since 2×667233143855² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 667233143797 and 667233143806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2015291 + ... + 2322899.

It is an arithmetic number, because the mean of its divisors is an integer number (50418817050).

Almost surely, 2^667233143855 is an apocalyptic number.

667233143855 is a deficient number, since it is larger than the sum of its proper divisors (139467928945).

667233143855 is a wasteful number, since it uses less digits than its factorization.

667233143855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310874.

The product of its digits is 10886400, while the sum is 53.

The spelling of 667233143855 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred forty-three thousand, eight hundred fifty-five".