5145168660 has 96 divisors (see below), whose sum is σ = 15267595392. Its totient is φ = 1290178560.

The previous prime is 5145168629. The next prime is 5145168667. The reversal of 5145168660 is 668615415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145168667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2031595 + ... + 2034125.

It is an arithmetic number, because the mean of its divisors is an integer number (159037452).

Almost surely, 2^5145168660 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 5145168660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7633797696).

5145168660 is an abundant number, since it is smaller than the sum of its proper divisors (10122426732).

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

5145168660 is a wasteful number, since it uses less digits than its factorization.

5145168660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553 (or 4551 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 5145168660 is about 71729.8310328416. The cubic root of 5145168660 is about 1726.3673158310.

The spelling of 5145168660 in words is "five billion, one hundred forty-five million, one hundred sixty-eight thousand, six hundred sixty".