616622066 has 8 divisors (see below), whose sum is σ = 933913344. Its totient is φ = 305317620.

The previous prime is 616622063. The next prime is 616622077. The reversal of 616622066 is 660226616.

616622066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (616622063) 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, 1496450 + ... + 1496861.

It is an arithmetic number, because the mean of its divisors is an integer number (116739168).

Almost surely, 2^616622066 is an apocalyptic number.

616622066 is a deficient number, since it is larger than the sum of its proper divisors (317291278).

616622066 is a wasteful number, since it uses less digits than its factorization.

616622066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993416.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 616622066 is about 24831.8760064559. The cubic root of 616622066 is about 851.1504909905.

The spelling of 616622066 in words is "six hundred sixteen million, six hundred twenty-two thousand, sixty-six".