664580427162 has 8 divisors (see below), whose sum is σ = 1329160854336. Its totient is φ = 221526809052.

The previous prime is 664580427139. The next prime is 664580427229. The reversal of 664580427162 is 261724085466.

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

664580427162 is an admirable number.

It is a super-3 number, since 3×664580427162³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55381702258 + ... + 55381702269.

It is an arithmetic number, because the mean of its divisors is an integer number (166145106792).

Almost surely, 2^664580427162 is an apocalyptic number.

664580427162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

664580427162 is a wasteful number, since it uses less digits than its factorization.

664580427162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110763404532.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 664580427162 in words is "six hundred sixty-four billion, five hundred eighty million, four hundred twenty-seven thousand, one hundred sixty-two".