5161424730 has 128 divisors (see below), whose sum is σ = 15675033600. Its totient is φ = 1056464640.

The previous prime is 5161424729. The next prime is 5161424753. The reversal of 5161424730 is 374241615.

5161424730 = 81² + 82² + ... + 2492².

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5161424691 and 5161424700.

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 63 ways as a sum of consecutive naturals, for example, 138096 + ... + 171444.

It is an arithmetic number, because the mean of its divisors is an integer number (122461200).

Almost surely, 2^5161424730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5161424730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7837516800).

5161424730 is an abundant number, since it is smaller than the sum of its proper divisors (10513608870).

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

5161424730 is a wasteful number, since it uses less digits than its factorization.

5161424730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33444.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 5161424730 is about 71843.0562406695. The cubic root of 5161424730 is about 1728.1835467915.

The spelling of 5161424730 in words is "five billion, one hundred sixty-one million, four hundred twenty-four thousand, seven hundred thirty".