64466351 has 4 divisors (see below), whose sum is σ = 64486632. Its totient is φ = 64446072.

The previous prime is 64466341. The next prime is 64466357. The reversal of 64466351 is 15366446.

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

It is a cyclic number.

It is not a de Polignac number, because 64466351 - 2⁶ = 64466287 is a prime.

It is a super-2 number, since 2×64466351² = 8311820822510402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64466357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4220 + ... + 12113.

It is an arithmetic number, because the mean of its divisors is an integer number (16121658).

Almost surely, 2^64466351 is an apocalyptic number.

64466351 is a deficient number, since it is larger than the sum of its proper divisors (20281).

64466351 is a wasteful number, since it uses less digits than its factorization.

64466351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280.

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

The square root of 64466351 is about 8029.0940335756. The cubic root of 64466351 is about 400.9692142459.

The spelling of 64466351 in words is "sixty-four million, four hundred sixty-six thousand, three hundred fifty-one".