667237236163 has 4 divisors (see below), whose sum is σ = 667333790208. Its totient is φ = 667140682120.

The previous prime is 667237236131. The next prime is 667237236209. The reversal of 667237236163 is 361632732766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 667237236163 - 2⁵ = 667237236131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 667237236163.

It is not an unprimeable number, because it can be changed into a prime (667237236563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48266656 + ... + 48280477.

It is an arithmetic number, because the mean of its divisors is an integer number (166833447552).

Almost surely, 2^667237236163 is an apocalyptic number.

667237236163 is a deficient number, since it is larger than the sum of its proper divisors (96554045).

667237236163 is an equidigital number, since it uses as much as digits as its factorization.

667237236163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96554044.

The product of its digits is 6858432, while the sum is 52.

The spelling of 667237236163 in words is "six hundred sixty-seven billion, two hundred thirty-seven million, two hundred thirty-six thousand, one hundred sixty-three".