664711474010167 has 8 divisors (see below), whose sum is σ = 675311823252000. Its totient is φ = 654192980747424.

The previous prime is 664711474010119. The next prime is 664711474010203. The reversal of 664711474010167 is 761010474117466.

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 664711474010167 - 2¹⁹ = 664711473485879 is a prime.

It is a super-2 number, since 2×664711474010167² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664711474040167) 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, 20463978403 + ... + 20464010884.

It is an arithmetic number, because the mean of its divisors is an integer number (84413977906500).

Almost surely, 2^{664711474010167} is an apocalyptic number.

664711474010167 is a deficient number, since it is larger than the sum of its proper divisors (10600349241833).

664711474010167 is a wasteful number, since it uses less digits than its factorization.

664711474010167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40927989545.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 664711474010167 in words is "six hundred sixty-four trillion, seven hundred eleven billion, four hundred seventy-four million, ten thousand, one hundred sixty-seven".