415216643 has 8 divisors (see below), whose sum is σ = 428775600. Its totient is φ = 401835168.

The previous prime is 415216639. The next prime is 415216651. The reversal of 415216643 is 346612514.

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 415216643 - 2² = 415216639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415216663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39608 + ... + 48981.

It is an arithmetic number, because the mean of its divisors is an integer number (53596950).

Almost surely, 2^415216643 is an apocalyptic number.

415216643 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

415216643 is a deficient number, since it is larger than the sum of its proper divisors (13558957).

415216643 is a wasteful number, since it uses less digits than its factorization.

415216643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88741.

The product of its digits is 17280, while the sum is 32.

The square root of 415216643 is about 20376.8653870020. The cubic root of 415216643 is about 746.0333650237.

The spelling of 415216643 in words is "four hundred fifteen million, two hundred sixteen thousand, six hundred forty-three".