42516657816 has 32 divisors (see below), whose sum is σ = 107067504240. Its totient is φ = 14068771328.

The previous prime is 42516657809. The next prime is 42516657839. The reversal of 42516657816 is 61875661524.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6462141 + ... + 6468716.

Almost surely, 2^42516657816 is an apocalyptic number.

It is an amenable number.

42516657816 is an abundant number, since it is smaller than the sum of its proper divisors (64550846424).

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

42516657816 is a wasteful number, since it uses less digits than its factorization.

42516657816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12931003 (or 12930999 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The spelling of 42516657816 in words is "forty-two billion, five hundred sixteen million, six hundred fifty-seven thousand, eight hundred sixteen".