664124176 has 80 divisors (see below), whose sum is σ = 1448746560. Its totient is φ = 293068800.

The previous prime is 664124117. The next prime is 664124179. The reversal of 664124176 is 671421466.

664124176 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×664124176² = 882121842295357952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (664124179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552376 + ... + 553576.

It is an arithmetic number, because the mean of its divisors is an integer number (18109332).

Almost surely, 2^664124176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 664124176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724373280).

664124176 is an abundant number, since it is smaller than the sum of its proper divisors (784622384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664124176 is a wasteful number, since it uses less digits than its factorization.

664124176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1346 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 664124176 is about 25770.6068225023. The cubic root of 664124176 is about 872.4685148859.

The spelling of 664124176 in words is "six hundred sixty-four million, one hundred twenty-four thousand, one hundred seventy-six".