5161454691 has 8 divisors (see below), whose sum is σ = 6883179600. Its totient is φ = 3440349792.

The previous prime is 5161454687. The next prime is 5161454717. The reversal of 5161454691 is 1964541615.

5161454691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5161454691 - 2² = 5161454687 is a prime.

It is a super-2 number, since 2×5161454691² = 53281229054491810962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5161454491) 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, 135216 + ... + 169133.

It is an arithmetic number, because the mean of its divisors is an integer number (860397450).

Almost surely, 2^5161454691 is an apocalyptic number.

5161454691 is a deficient number, since it is larger than the sum of its proper divisors (1721724909).

5161454691 is a wasteful number, since it uses less digits than its factorization.

5161454691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310005.

The product of its digits is 129600, while the sum is 42.

The square root of 5161454691 is about 71843.2647573870. The cubic root of 5161454691 is about 1728.1868907007.

The spelling of 5161454691 in words is "five billion, one hundred sixty-one million, four hundred fifty-four thousand, six hundred ninety-one".