623416066 has 32 divisors (see below), whose sum is σ = 1170449280. Its totient is φ = 242441856.

The previous prime is 623415971. The next prime is 623416069. The reversal of 623416066 is 660614326.

It is not an unprimeable number, because it can be changed into a prime (623416069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18291 + ... + 39766.

It is an arithmetic number, because the mean of its divisors is an integer number (36576540).

Almost surely, 2^623416066 is an apocalyptic number.

623416066 is a deficient number, since it is larger than the sum of its proper divisors (547033214).

623416066 is a wasteful number, since it uses less digits than its factorization.

623416066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58138.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 623416066 is about 24968.3012237517. The cubic root of 623416066 is about 854.2650985906.

The spelling of 623416066 in words is "six hundred twenty-three million, four hundred sixteen thousand, sixty-six".