1616028688 has 10 divisors (see below), whose sum is σ = 3131055614. Its totient is φ = 808014336.

The previous prime is 1616028649. The next prime is 1616028719. The reversal of 1616028688 is 8868206161.

It can be written as a sum of positive squares in only one way, i.e., 1159266304 + 456762384 = 34048^2 + 21372^2 .

It is a super-2 number, since 2×1616028688² = 5223097440878002688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500881 + ... + 50500912.

Almost surely, 2^1616028688 is an apocalyptic number.

It is an amenable number.

1616028688 is a deficient number, since it is larger than the sum of its proper divisors (1515026926).

1616028688 is a wasteful number, since it uses less digits than its factorization.

1616028688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101001801 (or 101001795 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 1616028688 is about 40199.8593032364. The cubic root of 1616028688 is about 1173.4998057818.

The spelling of 1616028688 in words is "one billion, six hundred sixteen million, twenty-eight thousand, six hundred eighty-eight".