664152486 has 16 divisors (see below), whose sum is σ = 1398216000. Its totient is φ = 209732328.

The previous prime is 664152473. The next prime is 664152491. The reversal of 664152486 is 684251466.

664152486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2912836 + ... + 2913063.

It is an arithmetic number, because the mean of its divisors is an integer number (87388500).

Almost surely, 2^664152486 is an apocalyptic number.

664152486 is an abundant number, since it is smaller than the sum of its proper divisors (734063514).

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

664152486 is a wasteful number, since it uses less digits than its factorization.

664152486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825923.

The product of its digits is 276480, while the sum is 42.

The square root of 664152486 is about 25771.1560858259. The cubic root of 664152486 is about 872.4809117807.

The spelling of 664152486 in words is "six hundred sixty-four million, one hundred fifty-two thousand, four hundred eighty-six".