1616208968 has 16 divisors (see below), whose sum is σ = 3305882160. Its totient is φ = 734640400.

The previous prime is 1616208961. The next prime is 1616208973. The reversal of 1616208968 is 8698026161.

It is a super-2 number, since 2×1616208968² = 5224262856487250048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616208961) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9182918 + ... + 9183093.

It is an arithmetic number, because the mean of its divisors is an integer number (206617635).

Almost surely, 2^1616208968 is an apocalyptic number.

It is an amenable number.

1616208968 is an abundant number, since it is smaller than the sum of its proper divisors (1689673192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616208968 is a wasteful number, since it uses less digits than its factorization.

1616208968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366028 (or 18366024 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 1616208968 is about 40202.1015371087. The cubic root of 1616208968 is about 1173.5434416982.

The spelling of 1616208968 in words is "one billion, six hundred sixteen million, two hundred eight thousand, nine hundred sixty-eight".