416630651 has 4 divisors (see below), whose sum is σ = 438558600. Its totient is φ = 394702704.

The previous prime is 416630647. The next prime is 416630653. The reversal of 416630651 is 156036614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156036614 = 2 ⋅78018307.

It is a cyclic number.

It is not a de Polignac number, because 416630651 - 2² = 416630647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416630653) 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, 10963946 + ... + 10963983.

It is an arithmetic number, because the mean of its divisors is an integer number (109639650).

Almost surely, 2^416630651 is an apocalyptic number.

416630651 is a deficient number, since it is larger than the sum of its proper divisors (21927949).

416630651 is a wasteful number, since it uses less digits than its factorization.

416630651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21927948.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 416630651 is about 20411.5323040677. The cubic root of 416630651 is about 746.8792703688.

The spelling of 416630651 in words is "four hundred sixteen million, six hundred thirty thousand, six hundred fifty-one".