616666644202 has 16 divisors (see below), whose sum is σ = 1057989240000. Its totient is φ = 264074099328.

The previous prime is 616666644193. The next prime is 616666644233. The reversal of 616666644202 is 202446666616.

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, 17615668 + ... + 17650639.

It is an arithmetic number, because the mean of its divisors is an integer number (66124327500).

Almost surely, 2^616666644202 is an apocalyptic number.

616666644202 is a deficient number, since it is larger than the sum of its proper divisors (441322595798).

616666644202 is a wasteful number, since it uses less digits than its factorization.

616666644202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35267565.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 616666644202 in words is "six hundred sixteen billion, six hundred sixty-six million, six hundred forty-four thousand, two hundred two".