664114652 has 12 divisors (see below), whose sum is σ = 1163153376. Its totient is φ = 331785120.

The previous prime is 664114637. The next prime is 664114663. The reversal of 664114652 is 256411466.

It is a super-2 number, since 2×664114652² = 882096542002162208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62513 + ... + 72360.

It is an arithmetic number, because the mean of its divisors is an integer number (96929448).

Almost surely, 2^664114652 is an apocalyptic number.

It is an amenable number.

664114652 is a deficient number, since it is larger than the sum of its proper divisors (499038724).

664114652 is a wasteful number, since it uses less digits than its factorization.

664114652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136108 (or 136106 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 664114652 is about 25770.4220376772. The cubic root of 664114652 is about 872.4643442653.

The spelling of 664114652 in words is "six hundred sixty-four million, one hundred fourteen thousand, six hundred fifty-two".