5161839660 has 144 divisors (see below), whose sum is σ = 16120200096. Its totient is φ = 1336006656.

The previous prime is 5161839629. The next prime is 5161839671. The reversal of 5161839660 is 669381615.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3948727 + ... + 3950033.

It is an arithmetic number, because the mean of its divisors is an integer number (111945834).

Almost surely, 2^5161839660 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 5161839660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8060100048).

5161839660 is an abundant number, since it is smaller than the sum of its proper divisors (10958360436).

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

5161839660 is a wasteful number, since it uses less digits than its factorization.

5161839660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 5161839660 is about 71845.9439356182. The cubic root of 5161839660 is about 1728.2298554512.

The spelling of 5161839660 in words is "five billion, one hundred sixty-one million, eight hundred thirty-nine thousand, six hundred sixty".