664264400466 has 64 divisors (see below), whose sum is σ = 1452741129216. Its totient is φ = 201578803200.

The previous prime is 664264400453. The next prime is 664264400467. The reversal of 664264400466 is 664004462466.

It is not an unprimeable number, because it can be changed into a prime (664264400467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6784476 + ... + 6881688.

It is an arithmetic number, because the mean of its divisors is an integer number (22699080144).

Almost surely, 2^664264400466 is an apocalyptic number.

664264400466 is an abundant number, since it is smaller than the sum of its proper divisors (788476728750).

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

664264400466 is a wasteful number, since it uses less digits than its factorization.

664264400466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99427.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 664264400466 in words is "six hundred sixty-four billion, two hundred sixty-four million, four hundred thousand, four hundred sixty-six".