3161125506 has 128 divisors (see below), whose sum is σ = 8024666112. Its totient is φ = 806400000.

The previous prime is 3161125489. The next prime is 3161125519. The reversal of 3161125506 is 6055211613.

3161125506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7882906 + ... + 7883306.

It is an arithmetic number, because the mean of its divisors is an integer number (62692704).

Almost surely, 2^3161125506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3161125506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4012333056).

3161125506 is an abundant number, since it is smaller than the sum of its proper divisors (4863540606).

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

3161125506 is a wasteful number, since it uses less digits than its factorization.

3161125506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 3161125506 is about 56223.8873255843. The cubic root of 3161125506 is about 1467.6209851042.

The spelling of 3161125506 in words is "three billion, one hundred sixty-one million, one hundred twenty-five thousand, five hundred six".