1616880016 has 10 divisors (see below), whose sum is σ = 3132705062. Its totient is φ = 808440000.

The previous prime is 1616880011. The next prime is 1616880017. The reversal of 1616880016 is 6100886161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1616361616 + 518400 = 40204^2 + 720^2 .

It is a super-2 number, since 2×1616880016² = 5228601972280320512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616880011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50527485 + ... + 50527516.

Almost surely, 2^1616880016 is an apocalyptic number.

1616880016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1616880016 is a deficient number, since it is larger than the sum of its proper divisors (1515825046).

1616880016 is a wasteful number, since it uses less digits than its factorization.

1616880016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101055009 (or 101055003 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1616880016 is about 40210.4466028419. The cubic root of 1616880016 is about 1173.7058371619.

The spelling of 1616880016 in words is "one billion, six hundred sixteen million, eight hundred eighty thousand, sixteen".