7171516854 has 24 divisors (see below), whose sum is σ = 15683508360. Its totient is φ = 2368163808.

The previous prime is 7171516841. The next prime is 7171516871. The reversal of 7171516854 is 4586151717.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1859839 + ... + 1863690.

It is an arithmetic number, because the mean of its divisors is an integer number (653479515).

Almost surely, 2^7171516854 is an apocalyptic number.

7171516854 is an abundant number, since it is smaller than the sum of its proper divisors (8511991506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7171516854 is a wasteful number, since it uses less digits than its factorization.

7171516854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723644 (or 3723641 counting only the distinct ones).

The product of its digits is 235200, while the sum is 45.

The square root of 7171516854 is about 84684.8088738470. The cubic root of 7171516854 is about 1928.4290915716.

The spelling of 7171516854 in words is "seven billion, one hundred seventy-one million, five hundred sixteen thousand, eight hundred fifty-four".