16402398233 has 8 divisors (see below), whose sum is σ = 17846226888. Its totient is φ = 14984584704.

The previous prime is 16402398217. The next prime is 16402398253. The reversal of 16402398233 is 33289320461.

16402398233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1554488329 + 14847909904 = 39427^2 + 121852^2 .

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 16402398233 - 2⁴ = 16402398217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16402398253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6502466 + ... + 6504987.

It is an arithmetic number, because the mean of its divisors is an integer number (2230778361).

Almost surely, 2^16402398233 is an apocalyptic number.

16402398233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16402398233 is a deficient number, since it is larger than the sum of its proper divisors (1443828655).

16402398233 is a wasteful number, since it uses less digits than its factorization.

16402398233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13007563.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 16402398233 in words is "sixteen billion, four hundred two million, three hundred ninety-eight thousand, two hundred thirty-three".