616226668406 has 16 divisors (see below), whose sum is σ = 954197850240. Its totient is φ = 298161560640.

The previous prime is 616226668373. The next prime is 616226668411. The reversal of 616226668406 is 604866622616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358000 + ... + 1754028.

It is an arithmetic number, because the mean of its divisors is an integer number (59637365640).

Almost surely, 2^616226668406 is an apocalyptic number.

616226668406 is a deficient number, since it is larger than the sum of its proper divisors (337971181834).

616226668406 is a wasteful number, since it uses less digits than its factorization.

616226668406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421159.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 616226668406 in words is "six hundred sixteen billion, two hundred twenty-six million, six hundred sixty-eight thousand, four hundred six".