456665601 has 8 divisors (see below), whose sum is σ = 695871424. Its totient is φ = 260951760.

The previous prime is 456665593. The next prime is 456665603. The reversal of 456665601 is 106566654.

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

It is not a de Polignac number, because 456665601 - 2³ = 456665593 is a prime.

It is a super-2 number, since 2×456665601² = 417086942273382402, which contains 22 as substring.

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 456665601.

It is not an unprimeable number, because it can be changed into a prime (456665603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10872970 + ... + 10873011.

It is an arithmetic number, because the mean of its divisors is an integer number (86983928).

Almost surely, 2^456665601 is an apocalyptic number.

It is an amenable number.

456665601 is a deficient number, since it is larger than the sum of its proper divisors (239205823).

456665601 is a wasteful number, since it uses less digits than its factorization.

456665601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21745991.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 456665601 is about 21369.7356324312. The cubic root of 456665601 is about 770.0745421735.

The spelling of 456665601 in words is "four hundred fifty-six million, six hundred sixty-five thousand, six hundred one".