5161785742 has 16 divisors (see below), whose sum is σ = 7829760960. Its totient is φ = 2551915008.

The previous prime is 5161785703. The next prime is 5161785743. The reversal of 5161785742 is 2475871615.

It is a junction number, because it is equal to n+sod(n) for n = 5161785692 and 5161785701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161785743) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 207243 + ... + 230809.

It is an arithmetic number, because the mean of its divisors is an integer number (489360060).

Almost surely, 2^5161785742 is an apocalyptic number.

5161785742 is a deficient number, since it is larger than the sum of its proper divisors (2667975218).

5161785742 is a wasteful number, since it uses less digits than its factorization.

5161785742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24795.

The product of its digits is 470400, while the sum is 46.

The square root of 5161785742 is about 71845.5687012080. The cubic root of 5161785742 is about 1728.2238380215.

The spelling of 5161785742 in words is "five billion, one hundred sixty-one million, seven hundred eighty-five thousand, seven hundred forty-two".