3122151616 has 56 divisors (see below), whose sum is σ = 6315852240. Its totient is φ = 1530888192.

The previous prime is 3122151569. The next prime is 3122151623. The reversal of 3122151616 is 6161512213.

It is a super-2 number, since 2×3122151616² = 19495661426582822912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2178036 + ... + 2179468.

Almost surely, 2^3122151616 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 3122151616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3157926120).

3122151616 is an abundant number, since it is smaller than the sum of its proper divisors (3193700624).

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

3122151616 is a wasteful number, since it uses less digits than its factorization.

3122151616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2071 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 3122151616 is about 55876.2169084486. The cubic root of 3122151616 is about 1461.5645353934.

Adding to 3122151616 its reverse (6161512213), we get a palindrome (9283663829).

The spelling of 3122151616 in words is "three billion, one hundred twenty-two million, one hundred fifty-one thousand, six hundred sixteen".