664153135 has 16 divisors (see below), whose sum is σ = 809321184. Its totient is φ = 523141632.

The previous prime is 664153067. The next prime is 664153141. The reversal of 664153135 is 531351466.

It is a cyclic number.

It is not a de Polignac number, because 664153135 - 2²¹ = 662055983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 664153135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127339 + ... + 132451.

It is an arithmetic number, because the mean of its divisors is an integer number (50582574).

Almost surely, 2^664153135 is an apocalyptic number.

664153135 is a deficient number, since it is larger than the sum of its proper divisors (145168049).

664153135 is a wasteful number, since it uses less digits than its factorization.

664153135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514.

The product of its digits is 32400, while the sum is 34.

The square root of 664153135 is about 25771.1686774193. The cubic root of 664153135 is about 872.4811959724.

The spelling of 664153135 in words is "six hundred sixty-four million, one hundred fifty-three thousand, one hundred thirty-five".