1616138068 has 12 divisors (see below), whose sum is σ = 2868076512. Its totient is φ = 796687640.

The previous prime is 1616138011. The next prime is 1616138093. The reversal of 1616138068 is 8608316161.

It is a super-2 number, since 2×1616138068² = 5223804509677545248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616138068.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2845030 + ... + 2845597.

It is an arithmetic number, because the mean of its divisors is an integer number (239006376).

Almost surely, 2^1616138068 is an apocalyptic number.

It is an amenable number.

1616138068 is a deficient number, since it is larger than the sum of its proper divisors (1251938444).

1616138068 is a wasteful number, since it uses less digits than its factorization.

1616138068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690702 (or 5690700 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1616138068 is about 40201.2197327395. The cubic root of 1616138068 is about 1173.5262810776.

The spelling of 1616138068 in words is "one billion, six hundred sixteen million, one hundred thirty-eight thousand, sixty-eight".