64466261 has 8 divisors (see below), whose sum is σ = 69278400. Its totient is φ = 59767488.

The previous prime is 64466251. The next prime is 64466287. The reversal of 64466261 is 16266446.

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

It is a cyclic number.

It is not a de Polignac number, because 64466261 - 2¹⁴ = 64449877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64466231) 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 7 ways as a sum of consecutive naturals, for example, 27161 + ... + 29438.

It is an arithmetic number, because the mean of its divisors is an integer number (8659800).

Almost surely, 2^64466261 is an apocalyptic number.

It is an amenable number.

64466261 is a deficient number, since it is larger than the sum of its proper divisors (4812139).

64466261 is a wasteful number, since it uses less digits than its factorization.

64466261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56683.

The product of its digits is 41472, while the sum is 35.

The square root of 64466261 is about 8029.0884289563. The cubic root of 64466261 is about 400.9690276512.

The spelling of 64466261 in words is "sixty-four million, four hundred sixty-six thousand, two hundred sixty-one".