64466461 has 4 divisors (see below), whose sum is σ = 64514524. Its totient is φ = 64418400.

The previous prime is 64466459. The next prime is 64466483. The reversal of 64466461 is 16466446.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52838361 + 11628100 = 7269^2 + 3410^2 .

It is a cyclic number.

It is not a de Polignac number, because 64466461 - 2¹ = 64466459 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 64466461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64466561) 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, 21960 + ... + 24721.

It is an arithmetic number, because the mean of its divisors is an integer number (16128631).

Almost surely, 2^64466461 is an apocalyptic number.

It is an amenable number.

64466461 is a deficient number, since it is larger than the sum of its proper divisors (48063).

64466461 is a wasteful number, since it uses less digits than its factorization.

64466461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48062.

The product of its digits is 82944, while the sum is 37.

The square root of 64466461 is about 8029.1008836606. The cubic root of 64466461 is about 400.9694423059.

The spelling of 64466461 in words is "sixty-four million, four hundred sixty-six thousand, four hundred sixty-one".