416318081 has 4 divisors (see below), whose sum is σ = 416542464. Its totient is φ = 416093700.

The previous prime is 416318047. The next prime is 416318087. The reversal of 416318081 is 180813614.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 416318081 - 2⁶ = 416318017 is a prime.

It is a super-2 number, since 2×416318081² = 346641489135045122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416318087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109385 + ... + 113126.

It is an arithmetic number, because the mean of its divisors is an integer number (104135616).

Almost surely, 2^416318081 is an apocalyptic number.

It is an amenable number.

416318081 is a deficient number, since it is larger than the sum of its proper divisors (224383).

416318081 is a wasteful number, since it uses less digits than its factorization.

416318081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224382.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 416318081 is about 20403.8741664420. The cubic root of 416318081 is about 746.6924458530.

The spelling of 416318081 in words is "four hundred sixteen million, three hundred eighteen thousand, eighty-one".