5161779548 has 24 divisors (see below), whose sum is σ = 9100038528. Its totient is φ = 2561817536.

The previous prime is 5161779541. The next prime is 5161779569. The reversal of 5161779548 is 8459771615.

It is a self number, because there is not a number n which added to its sum of digits gives 5161779548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161779541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446165 + ... + 457587.

It is an arithmetic number, because the mean of its divisors is an integer number (379168272).

Almost surely, 2^5161779548 is an apocalyptic number.

It is an amenable number.

5161779548 is a deficient number, since it is larger than the sum of its proper divisors (3938258980).

5161779548 is a wasteful number, since it uses less digits than its factorization.

5161779548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253 (or 12251 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 53.

The square root of 5161779548 is about 71845.5255948483. The cubic root of 5161779548 is about 1728.2231467476.

The spelling of 5161779548 in words is "five billion, one hundred sixty-one million, seven hundred seventy-nine thousand, five hundred forty-eight".