616268816 has 10 divisors (see below), whose sum is σ = 1194020862. Its totient is φ = 308134400.

The previous prime is 616268801. The next prime is 616268833. The reversal of 616268816 is 618862616.

It can be written as a sum of positive squares in only one way, i.e., 357058816 + 259210000 = 18896^2 + 16100^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19258385 + ... + 19258416.

Almost surely, 2^616268816 is an apocalyptic number.

It is an amenable number.

616268816 is a deficient number, since it is larger than the sum of its proper divisors (577752046).

616268816 is a wasteful number, since it uses less digits than its factorization.

616268816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38516809 (or 38516803 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 616268816 is about 24824.7621539462. The cubic root of 616268816 is about 850.9879244518.

The spelling of 616268816 in words is "six hundred sixteen million, two hundred sixty-eight thousand, eight hundred sixteen".