1616842016 has 24 divisors (see below), whose sum is σ = 3193219260. Its totient is φ = 805865728.

The previous prime is 1616841991. The next prime is 1616842067. The reversal of 1616842016 is 6102486161.

It can be written as a sum of positive squares in 2 ways, for example, as 1615718416 + 1123600 = 40196^2 + 1060^2 .

It is a super-2 number, since 2×1616842016² = 5228356209405888512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69551 + ... + 89838.

Almost surely, 2^1616842016 is an apocalyptic number.

1616842016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1616842016 is a deficient number, since it is larger than the sum of its proper divisors (1576377244).

1616842016 is a wasteful number, since it uses less digits than its factorization.

1616842016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159716 (or 159708 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1616842016 is about 40209.9740860399. The cubic root of 1616842016 is about 1173.6966422576.

The spelling of 1616842016 in words is "one billion, six hundred sixteen million, eight hundred forty-two thousand, sixteen".