664562006427234 has 8 divisors (see below), whose sum is σ = 1329124012854480. Its totient is φ = 221520668809076.

The previous prime is 664562006427227. The next prime is 664562006427287. The reversal of 664562006427234 is 432724600265466.

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

664562006427234 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55380167202264 + ... + 55380167202275.

It is an arithmetic number, because the mean of its divisors is an integer number (166140501606810).

Almost surely, 2^{664562006427234} is an apocalyptic number.

664562006427234 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.

664562006427234 is a wasteful number, since it uses less digits than its factorization.

664562006427234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110760334404544.

The product of its (nonzero) digits is 69672960, while the sum is 57.

The spelling of 664562006427234 in words is "six hundred sixty-four trillion, five hundred sixty-two billion, six million, four hundred twenty-seven thousand, two hundred thirty-four".