16113657616 has 20 divisors (see below), whose sum is σ = 35680242112. Its totient is φ = 6905853216.

The previous prime is 16113657611. The next prime is 16113657641. The reversal of 16113657616 is 61675631161.

It is not an unprimeable number, because it can be changed into a prime (16113657611) 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, 71935860 + ... + 71936083.

Almost surely, 2^16113657616 is an apocalyptic number.

16113657616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16113657616 is an abundant number, since it is smaller than the sum of its proper divisors (19566584496).

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

16113657616 is a wasteful number, since it uses less digits than its factorization.

16113657616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143871958 (or 143871952 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The spelling of 16113657616 in words is "sixteen billion, one hundred thirteen million, six hundred fifty-seven thousand, six hundred sixteen".