16498117838 has 8 divisors (see below), whose sum is σ = 25350766560. Its totient is φ = 8047862320.

The previous prime is 16498117807. The next prime is 16498117841. The reversal of 16498117838 is 83871189461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100598198 + ... + 100598361.

It is an arithmetic number, because the mean of its divisors is an integer number (3168845820).

Almost surely, 2^16498117838 is an apocalyptic number.

16498117838 is a deficient number, since it is larger than the sum of its proper divisors (8852648722).

16498117838 is a wasteful number, since it uses less digits than its factorization.

16498117838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201196602.

The product of its digits is 2322432, while the sum is 56.

The spelling of 16498117838 in words is "sixteen billion, four hundred ninety-eight million, one hundred seventeen thousand, eight hundred thirty-eight".