4678131516 has 24 divisors (see below), whose sum is σ = 10920634704. Its totient is φ = 1558663680.

The previous prime is 4678131503. The next prime is 4678131517. The reversal of 4678131516 is 6151318764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678131517) 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 7 ways as a sum of consecutive naturals, for example, 61525 + ... + 114636.

It is an arithmetic number, because the mean of its divisors is an integer number (455026446).

Almost surely, 2^4678131516 is an apocalyptic number.

It is an amenable number.

4678131516 is an abundant number, since it is smaller than the sum of its proper divisors (6242503188).

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

4678131516 is a wasteful number, since it uses less digits than its factorization.

4678131516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178381 (or 178379 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 4678131516 is about 68396.8677352991. The cubic root of 4678131516 is about 1672.4666854865.

The spelling of 4678131516 in words is "four billion, six hundred seventy-eight million, one hundred thirty-one thousand, five hundred sixteen".