5161642730 has 32 divisors (see below), whose sum is σ = 9463003200. Its totient is φ = 2026532992.

The previous prime is 5161642721. The next prime is 5161642753. The reversal of 5161642730 is 372461615.

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 15 ways as a sum of consecutive naturals, for example, 396566 + ... + 409374.

It is an arithmetic number, because the mean of its divisors is an integer number (295718850).

Almost surely, 2^5161642730 is an apocalyptic number.

5161642730 is a deficient number, since it is larger than the sum of its proper divisors (4301360470).

5161642730 is a wasteful number, since it uses less digits than its factorization.

5161642730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13558.

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

The square root of 5161642730 is about 71844.5734206836. The cubic root of 5161642730 is about 1728.2078771995.

The spelling of 5161642730 in words is "five billion, one hundred sixty-one million, six hundred forty-two thousand, seven hundred thirty".