16651855142 has 8 divisors (see below), whose sum is σ = 26899150656. Its totient is φ = 7685471592.

The previous prime is 16651855111. The next prime is 16651855159. The reversal of 16651855142 is 24155815661.

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

It is a junction number, because it is equal to n+sod(n) for n = 16651855093 and 16651855102.

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, 320227958 + ... + 320228009.

It is an arithmetic number, because the mean of its divisors is an integer number (3362393832).

Almost surely, 2^16651855142 is an apocalyptic number.

16651855142 is a deficient number, since it is larger than the sum of its proper divisors (10247295514).

16651855142 is a wasteful number, since it uses less digits than its factorization.

16651855142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640455982.

The product of its digits is 288000, while the sum is 44.

The spelling of 16651855142 in words is "sixteen billion, six hundred fifty-one million, eight hundred fifty-five thousand, one hundred forty-two".