667233260851 has 4 divisors (see below), whose sum is σ = 667337964112. Its totient is φ = 667128557592.

The previous prime is 667233260803. The next prime is 667233260861. The reversal of 667233260851 is 158062332766.

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 667233260851 - 2¹⁵ = 667233228083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667233260795 and 667233260804.

It is not an unprimeable number, because it can be changed into a prime (667233260861) 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, 52342071 + ... + 52354816.

It is an arithmetic number, because the mean of its divisors is an integer number (166834491028).

Almost surely, 2^667233260851 is an apocalyptic number.

667233260851 is a deficient number, since it is larger than the sum of its proper divisors (104703261).

667233260851 is a wasteful number, since it uses less digits than its factorization.

667233260851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104703260.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 667233260851 in words is "six hundred sixty-seven billion, two hundred thirty-three million, two hundred sixty thousand, eight hundred fifty-one".