5161376420 has 72 divisors (see below), whose sum is σ = 11232587520. Its totient is φ = 1992032640.

The previous prime is 5161376399. The next prime is 5161376431. The reversal of 5161376420 is 246731615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3586061 + ... + 3587499.

It is an arithmetic number, because the mean of its divisors is an integer number (156008160).

Almost surely, 2^5161376420 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 5161376420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5616293760).

5161376420 is an abundant number, since it is smaller than the sum of its proper divisors (6071211100).

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

5161376420 is a wasteful number, since it uses less digits than its factorization.

5161376420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 5161376420 is about 71842.7200208901. The cubic root of 5161376420 is about 1728.1781549464.

The spelling of 5161376420 in words is "five billion, one hundred sixty-one million, three hundred seventy-six thousand, four hundred twenty".