3126487616 has 112 divisors (see below), whose sum is σ = 7218151680. Its totient is φ = 1316044800.

The previous prime is 3126487613. The next prime is 3126487633. The reversal of 3126487616 is 6167846213.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3126487613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7644020 + ... + 7644428.

Almost surely, 2^3126487616 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 3126487616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3609075840).

3126487616 is an abundant number, since it is smaller than the sum of its proper divisors (4091664064).

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

3126487616 is a wasteful number, since it uses less digits than its factorization.

3126487616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 682 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 3126487616 is about 55915.0034963783. The cubic root of 3126487616 is about 1462.2408224680.

The spelling of 3126487616 in words is "three billion, one hundred twenty-six million, four hundred eighty-seven thousand, six hundred sixteen".