416661233 has 2 divisors, whose sum is σ = 416661234. Its totient is φ = 416661232.

The previous prime is 416661221. The next prime is 416661277. The reversal of 416661233 is 332166614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380757169 + 35904064 = 19513^2 + 5992^2 .

It is a cyclic number.

It is not a de Polignac number, because 416661233 - 2²⁶ = 349552369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 416661233.

It is not a weakly prime, because it can be changed into another prime (416661283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208330616 + 208330617.

It is an arithmetic number, because the mean of its divisors is an integer number (208330617).

Almost surely, 2^416661233 is an apocalyptic number.

It is an amenable number.

416661233 is a deficient number, since it is larger than the sum of its proper divisors (1).

416661233 is an equidigital number, since it uses as much as digits as its factorization.

416661233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 416661233 is about 20412.2814256516. The cubic root of 416661233 is about 746.8975443508.

The spelling of 416661233 in words is "four hundred sixteen million, six hundred sixty-one thousand, two hundred thirty-three".