616635536064026 has 4 divisors (see below), whose sum is σ = 924953304096042. Its totient is φ = 308317768032012.

The previous prime is 616635536064013. The next prime is 616635536064047. The reversal of 616635536064026 is 620460635536616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 607583109938401 + 9052426125625 = 24649201^2 + 3008725^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154158884016005 + ... + 154158884016008.

Almost surely, 2^{616635536064026} is an apocalyptic number.

616635536064026 is a deficient number, since it is larger than the sum of its proper divisors (308317768032016).

616635536064026 is a wasteful number, since it uses less digits than its factorization.

616635536064026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308317768032015.

The product of its (nonzero) digits is 83980800, while the sum is 59.

The spelling of 616635536064026 in words is "six hundred sixteen trillion, six hundred thirty-five billion, five hundred thirty-six million, sixty-four thousand, twenty-six".