416006645 has 4 divisors (see below), whose sum is σ = 499207980. Its totient is φ = 332805312.

The previous prime is 416006627. The next prime is 416006663. The reversal of 416006645 is 546600614.

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

It is an interprime number because it is at equal distance from previous prime (416006627) and next prime (416006663).

It can be written as a sum of positive squares in 2 ways, for example, as 311946244 + 104060401 = 17662^2 + 10201^2 .

It is a cyclic number.

It is not a de Polignac number, because 416006645 - 2¹⁶ = 415941109 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41600660 + ... + 41600669.

It is an arithmetic number, because the mean of its divisors is an integer number (124801995).

Almost surely, 2^416006645 is an apocalyptic number.

It is an amenable number.

416006645 is a deficient number, since it is larger than the sum of its proper divisors (83201335).

416006645 is an equidigital number, since it uses as much as digits as its factorization.

416006645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83201334.

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

The square root of 416006645 is about 20396.2409526854. The cubic root of 416006645 is about 746.5062061078.

The spelling of 416006645 in words is "four hundred sixteen million, six thousand, six hundred forty-five".