216153924139 has 8 divisors (see below), whose sum is σ = 223616345760. Its totient is φ = 208692091776.

The previous prime is 216153924109. The next prime is 216153924143. The reversal of 216153924139 is 931429351612.

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 216153924139 - 2⁹ = 216153923627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216153924109) 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, 677314 + ... + 943960.

It is an arithmetic number, because the mean of its divisors is an integer number (27952043220).

Almost surely, 2^216153924139 is an apocalyptic number.

216153924139 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

216153924139 is a deficient number, since it is larger than the sum of its proper divisors (7462421621).

216153924139 is a wasteful number, since it uses less digits than its factorization.

216153924139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294629.

The product of its digits is 349920, while the sum is 46.

The spelling of 216153924139 in words is "two hundred sixteen billion, one hundred fifty-three million, nine hundred twenty-four thousand, one hundred thirty-nine".