5421516173 has 8 divisors (see below), whose sum is σ = 5491574400. Its totient is φ = 5351493888.

The previous prime is 5421516167. The next prime is 5421516187. The reversal of 5421516173 is 3716151245.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5421516173 - 2¹² = 5421512077 is a prime.

It is a super-2 number, since 2×5421516173² = 58785675228201131858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421516103) 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, 433790 + ... + 446112.

It is an arithmetic number, because the mean of its divisors is an integer number (686446800).

Almost surely, 2^5421516173 is an apocalyptic number.

It is an amenable number.

5421516173 is a deficient number, since it is larger than the sum of its proper divisors (70058227).

5421516173 is a wasteful number, since it uses less digits than its factorization.

5421516173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17971.

The product of its digits is 25200, while the sum is 35.

The square root of 5421516173 is about 73630.9457565228. The cubic root of 5421516173 is about 1756.7376909514.

The spelling of 5421516173 in words is "five billion, four hundred twenty-one million, five hundred sixteen thousand, one hundred seventy-three".