1616813016 has 192 divisors, whose sum is σ = 5362368480. Its totient is φ = 401264640.

The previous prime is 1616812987. The next prime is 1616813027. The reversal of 1616813016 is 6103186161.

It is a super-2 number, since 2×1616813016² = 5228168657414032512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 256786 + ... + 263006.

Almost surely, 2^1616813016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616813016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2681184240).

1616813016 is an abundant number, since it is smaller than the sum of its proper divisors (3745555464).

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

1616813016 is a wasteful number, since it uses less digits than its factorization.

1616813016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1616813016 is about 40209.6134773763. The cubic root of 1616813016 is about 1173.6896249968.

Adding to 1616813016 its reverse (6103186161), we get a palindrome (7719999177).

The spelling of 1616813016 in words is "one billion, six hundred sixteen million, eight hundred thirteen thousand, sixteen".