664551482 has 8 divisors (see below), whose sum is σ = 1139231136. Its totient is φ = 284807772.

The previous prime is 664551479. The next prime is 664551497. The reversal of 664551482 is 284155466.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23733968 + ... + 23733995.

It is an arithmetic number, because the mean of its divisors is an integer number (142403892).

Almost surely, 2^664551482 is an apocalyptic number.

664551482 is a deficient number, since it is larger than the sum of its proper divisors (474679654).

664551482 is a wasteful number, since it uses less digits than its factorization.

664551482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47467972.

The product of its digits is 230400, while the sum is 41.

The square root of 664551482 is about 25778.8960585980. The cubic root of 664551482 is about 872.6555939072.

The spelling of 664551482 in words is "six hundred sixty-four million, five hundred fifty-one thousand, four hundred eighty-two".