3162145520 has 120 divisors (see below), whose sum is σ = 7856778384. Its totient is φ = 1183326208.

The previous prime is 3162145517. The next prime is 3162145523. The reversal of 3162145520 is 255412613.

3162145520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3162145517) and next prime (3162145523).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3162145523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5386667 + ... + 5387253.

Almost surely, 2^3162145520 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 3162145520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3928389192).

3162145520 is an abundant number, since it is smaller than the sum of its proper divisors (4694632864).

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

3162145520 is a wasteful number, since it uses less digits than its factorization.

3162145520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3162145520 is about 56232.9575960575. The cubic root of 3162145520 is about 1467.7788226596.

The spelling of 3162145520 in words is "three billion, one hundred sixty-two million, one hundred forty-five thousand, five hundred twenty".