16155798233 has 2 divisors, whose sum is σ = 16155798234. Its totient is φ = 16155798232.

The previous prime is 16155798223. The next prime is 16155798259. The reversal of 16155798233 is 33289755161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10767797824 + 5388000409 = 103768^2 + 73403^2 .

It is a cyclic number.

It is not a de Polignac number, because 16155798233 - 2¹⁰ = 16155797209 is a prime.

It is a super-2 number, since 2×16155798233² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16155798223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8077899116 + 8077899117.

It is an arithmetic number, because the mean of its divisors is an integer number (8077899117).

Almost surely, 2^16155798233 is an apocalyptic number.

It is an amenable number.

16155798233 is a deficient number, since it is larger than the sum of its proper divisors (1).

16155798233 is an equidigital number, since it uses as much as digits as its factorization.

16155798233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 50.

The spelling of 16155798233 in words is "sixteen billion, one hundred fifty-five million, seven hundred ninety-eight thousand, two hundred thirty-three".