16278143241 has 8 divisors (see below), whose sum is σ = 21705039360. Its totient is φ = 10851671312.

The previous prime is 16278143213. The next prime is 16278143249. The reversal of 16278143241 is 14234187261.

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

It is a cyclic number.

It is not a de Polignac number, because 16278143241 - 2⁵ = 16278143209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16278143241.

It is not an unprimeable number, because it can be changed into a prime (16278143249) 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, 1890 + ... + 180443.

It is an arithmetic number, because the mean of its divisors is an integer number (2713129920).

Almost surely, 2^16278143241 is an apocalyptic number.

It is an amenable number.

16278143241 is a deficient number, since it is larger than the sum of its proper divisors (5426896119).

16278143241 is a wasteful number, since it uses less digits than its factorization.

16278143241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212095.

The product of its digits is 64512, while the sum is 39.

The spelling of 16278143241 in words is "sixteen billion, two hundred seventy-eight million, one hundred forty-three thousand, two hundred forty-one".