667424588711 has 8 divisors (see below), whose sum is σ = 674342289264. Its totient is φ = 660507644160.

The previous prime is 667424588693. The next prime is 667424588741. The reversal of 667424588711 is 117885424766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667424588711 - 2¹⁸ = 667424326567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667424588741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681196 + ... + 2039918.

It is an arithmetic number, because the mean of its divisors is an integer number (84292786158).

Almost surely, 2^667424588711 is an apocalyptic number.

667424588711 is a deficient number, since it is larger than the sum of its proper divisors (6917700553).

667424588711 is a wasteful number, since it uses less digits than its factorization.

667424588711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378001.

The product of its digits is 18063360, while the sum is 59.

The spelling of 667424588711 in words is "six hundred sixty-seven billion, four hundred twenty-four million, five hundred eighty-eight thousand, seven hundred eleven".