42113556616 has 16 divisors (see below), whose sum is σ = 79584675840. Its totient is φ = 20890976400.

The previous prime is 42113556613. The next prime is 42113556631. The reversal of 42113556616 is 61665531124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42113556613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20724160 + ... + 20726191.

It is an arithmetic number, because the mean of its divisors is an integer number (4974042240).

Almost surely, 2^42113556616 is an apocalyptic number.

It is an amenable number.

42113556616 is a deficient number, since it is larger than the sum of its proper divisors (37471119224).

42113556616 is a wasteful number, since it uses less digits than its factorization.

42113556616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41450484 (or 41450480 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The spelling of 42113556616 in words is "forty-two billion, one hundred thirteen million, five hundred fifty-six thousand, six hundred sixteen".