64841611 has 4 divisors (see below), whose sum is σ = 65216592. Its totient is φ = 64466632.

The previous prime is 64841603. The next prime is 64841639. The reversal of 64841611 is 11614846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11614846 = 2 ⋅5807423.

It is a cyclic number.

It is not a de Polignac number, because 64841611 - 2³ = 64841603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64841641) by changing a digit.

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, 187231 + ... + 187576.

It is an arithmetic number, because the mean of its divisors is an integer number (16304148).

Almost surely, 2^64841611 is an apocalyptic number.

64841611 is a deficient number, since it is larger than the sum of its proper divisors (374981).

64841611 is a wasteful number, since it uses less digits than its factorization.

64841611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374980.

The product of its digits is 4608, while the sum is 31.

The square root of 64841611 is about 8052.4288882299. The cubic root of 64841611 is about 401.7457262658.

The spelling of 64841611 in words is "sixty-four million, eight hundred forty-one thousand, six hundred eleven".