16118840193 has 8 divisors (see below), whose sum is σ = 21492641856. Its totient is φ = 10745466000.

The previous prime is 16118840161. The next prime is 16118840219. The reversal of 16118840193 is 39104881161.

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

It is not a de Polignac number, because 16118840193 - 2⁵ = 16118840161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16118440193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5013 + ... + 179618.

It is an arithmetic number, because the mean of its divisors is an integer number (2686580232).

Almost surely, 2^16118840193 is an apocalyptic number.

It is an amenable number.

16118840193 is a deficient number, since it is larger than the sum of its proper divisors (5373801663).

16118840193 is a wasteful number, since it uses less digits than its factorization.

16118840193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213735.

The product of its (nonzero) digits is 41472, while the sum is 42.

The spelling of 16118840193 in words is "sixteen billion, one hundred eighteen million, eight hundred forty thousand, one hundred ninety-three".