64635153 has 8 divisors (see below), whose sum is σ = 94014816. Its totient is φ = 39172800.

The previous prime is 64635133. The next prime is 64635163. The reversal of 64635153 is 35153646.

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

It is not a de Polignac number, because 64635153 - 2⁹ = 64634641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1958641 = 64635153 / (6 + 4 + 6 + 3 + 5 + 1 + 5 + 3).

It is not an unprimeable number, because it can be changed into a prime (64635133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979288 + ... + 979353.

It is an arithmetic number, because the mean of its divisors is an integer number (11751852).

Almost surely, 2^64635153 is an apocalyptic number.

It is an amenable number.

64635153 is a deficient number, since it is larger than the sum of its proper divisors (29379663).

64635153 is a wasteful number, since it uses less digits than its factorization.

64635153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958655.

The product of its digits is 32400, while the sum is 33.

The square root of 64635153 is about 8039.5990571670. The cubic root of 64635153 is about 401.3188820128.

Adding to 64635153 its reverse (35153646), we get a palindrome (99788799).

The spelling of 64635153 in words is "sixty-four million, six hundred thirty-five thousand, one hundred fifty-three".