1616279116 has 24 divisors (see below), whose sum is σ = 2921905280. Its totient is φ = 781488000.

The previous prime is 1616279113. The next prime is 1616279117. The reversal of 1616279116 is 6119726161.

It is a super-2 number, since 2×1616279116² = 5224716361635482912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616279113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195466 + ... + 203566.

Almost surely, 2^1616279116 is an apocalyptic number.

It is an amenable number.

1616279116 is a deficient number, since it is larger than the sum of its proper divisors (1305626164).

1616279116 is a wasteful number, since it uses less digits than its factorization.

1616279116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745 (or 9743 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The square root of 1616279116 is about 40202.9739695958. The cubic root of 1616279116 is about 1173.5604198110.

The spelling of 1616279116 in words is "one billion, six hundred sixteen million, two hundred seventy-nine thousand, one hundred sixteen".