5161854677 has 10 divisors (see below), whose sum is σ = 6021808278. Its totient is φ = 4424444808.

The previous prime is 5161854667. The next prime is 5161854679. The reversal of 5161854677 is 7764581615.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3264293956 + 1897560721 = 57134^2 + 43561^2 .

It is not a de Polignac number, because 5161854677 - 2¹² = 5161850581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161854679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1072538 + ... + 1077339.

Almost surely, 2^5161854677 is an apocalyptic number.

It is an amenable number.

5161854677 is a deficient number, since it is larger than the sum of its proper divisors (859953601).

5161854677 is an frugal number, since it uses more digits than its factorization.

5161854677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149905 (or 2149884 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 50.

The square root of 5161854677 is about 71846.0484438776. The cubic root of 5161854677 is about 1728.2315313913.

The spelling of 5161854677 in words is "five billion, one hundred sixty-one million, eight hundred fifty-four thousand, six hundred seventy-seven".