3158988660 has 120 divisors (see below), whose sum is σ = 10229700096. Its totient is φ = 815209920.

The previous prime is 3158988631. The next prime is 3158988661. The reversal of 3158988660 is 668898513.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 3158988597 and 3158988606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158988661) 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 39 ways as a sum of consecutive naturals, for example, 18769 + ... + 81671.

Almost surely, 2^3158988660 is an apocalyptic number.

3158988660 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 3158988660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5114850048).

3158988660 is an abundant number, since it is smaller than the sum of its proper divisors (7070711436).

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

3158988660 is a wasteful number, since it uses less digits than its factorization.

3158988660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62955 (or 62944 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 3158988660 is about 56204.8811047582. The cubic root of 3158988660 is about 1467.2902182165.

The spelling of 3158988660 in words is "three billion, one hundred fifty-eight million, nine hundred eighty-eight thousand, six hundred sixty".