3163521660 has 192 divisors, whose sum is σ = 10479006720. Its totient is φ = 705576960.

The previous prime is 3163521659. The next prime is 3163521667. The reversal of 3163521660 is 661253613.

It is a super-3 number, since 3×3163521660³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3163521667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336220 + ... + 345500.

It is an arithmetic number, because the mean of its divisors is an integer number (54578160).

Almost surely, 2^3163521660 is an apocalyptic number.

3163521660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3163521660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5239503360).

3163521660 is an abundant number, since it is smaller than the sum of its proper divisors (7315485060).

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

3163521660 is a wasteful number, since it uses less digits than its factorization.

3163521660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348 (or 9346 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 3163521660 is about 56245.1923278781. The cubic root of 3163521660 is about 1467.9917135799.

The spelling of 3163521660 in words is "three billion, one hundred sixty-three million, five hundred twenty-one thousand, six hundred sixty".