64664153 has 4 divisors (see below), whose sum is σ = 64682880. Its totient is φ = 64645428.

The previous prime is 64664147. The next prime is 64664183. The reversal of 64664153 is 35146646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64664153 - 2¹⁶ = 64598617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64664183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (16170720).

Almost surely, 2^64664153 is an apocalyptic number.

It is an amenable number.

64664153 is a deficient number, since it is larger than the sum of its proper divisors (18727).

64664153 is a wasteful number, since it uses less digits than its factorization.

64664153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18726.

The product of its digits is 51840, while the sum is 35.

The square root of 64664153 is about 8041.4024274376. The cubic root of 64664153 is about 401.3788932548.

The spelling of 64664153 in words is "sixty-four million, six hundred sixty-four thousand, one hundred fifty-three".